AAC Block vs LECA Block vs Hollow Concrete Block - Which One to Choose ?

Тәжірибелік нұсқаулар және стиль

I'm gonna talk about the advantages and disadvantages of 3 popular construction blocks. Autoclaved aerated concrete block (AAC Block) is the most common building block. This block needs a proper installation otherwise cracks may appear. In the video, you are going to hear some major problems, which lead the AAC block to cracks. I have made one small test to compare AAC Block (autoclaved aerated concrete block), LECA (Expanded Clay Block), and hollow concrete block.
0:40 AAC Block
4:17 LECA Block
5:18 Hollow Concrete Block

Пікірлер: 144

  • @MegaBobtube
    @MegaBobtube3 жыл бұрын

    I appreciate this guy... he is not English speaker but trying his best. The captions really help. Kudos!!!

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks, yes I need to work harder than native speakers :D

  • @achasilas6535

    @achasilas6535

    2 жыл бұрын

    @@MarekKubi you did amazing. Great video

  • @lawtontalcott3886
    @lawtontalcott38862 жыл бұрын

    Very well done! You covered many aspects of each material, and I especially liked the way you got into science without making viewers nervous about that! Thank you.

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks for so detailed feedback! I try to explain the simple way, so non-builders can follow the information. Sometimes it is complicated, but I like that process.

  • @Nedvio
    @Nedvio Жыл бұрын

    You should do more videos like this one! Educational and interesting even for non-builders!

  • @tan-awlang2113
    @tan-awlang21133 жыл бұрын

    Thank you for sharing your knowledge!

  • @BB-hl3ro
    @BB-hl3ro Жыл бұрын

    Hi, Kubi Your video is very informative. Great work. Keep continuing and wish you good luck for your channel.

  • @kompshi
    @kompshi2 жыл бұрын

    thank you ....well done video explaining the different types and differences

  • @lucasbrandt6528
    @lucasbrandt65283 жыл бұрын

    Great video man!

  • @wernerempire
    @wernerempire2 жыл бұрын

    Very good video Marek. Lots of useful information.

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks for commenting on that.

  • @taaviteets801
    @taaviteets8013 жыл бұрын

    Good work, Marek!

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks Taavi for supporting my channel!

  • @user-rj4kb8sg8f
    @user-rj4kb8sg8f6 ай бұрын

    great video! thanks from India!

  • @ellewilliams1086
    @ellewilliams10863 жыл бұрын

    New subscriber! I learned a lot in your video! Keep up the excellent work 😊

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks a lot for support!

  • @justinxin4794
    @justinxin47942 жыл бұрын

    Thank you for this very informative video.

  • @gioito7090
    @gioito70902 жыл бұрын

    Good and informative video thanks !

  • @mohammedegyptian2527
    @mohammedegyptian25278 ай бұрын

    very informative video greetings from egypt thank you

  • @horizontbeskrajneinovacije6440
    @horizontbeskrajneinovacije64402 жыл бұрын

    Thank you...great explanation...

  • @2x2on4
    @2x2on43 жыл бұрын

    great video man, subscribed!

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks, you know very well, how important it is to support small channels ;) Nice to see estonians channels, where are ads :D

  • @cieslaolsztyn8266
    @cieslaolsztyn82662 жыл бұрын

    Thanks a lot for your videos. Enertia bulding system is interesting. No isolation, but instead 2 walls on the house with a space of about 50 cm to 1-2 m where air can circulate

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Youre welcome. Depends on a region where you live, but here circulating air means cold wall in the winter.

  • @cieslaolsztyn8266

    @cieslaolsztyn8266

    2 жыл бұрын

    @@MarekKubi i wish i knew more about it, but i think its working in northern USA. But ofcurse a regular oldstyle loghouse dont have isolation

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    @@cieslaolsztyn8266 Yes, the old loghouse has very poor insulation value.

  • @herkko61
    @herkko613 ай бұрын

    Very good info, thanks!

  • @p.zarthea
    @p.zarthea2 жыл бұрын

    Thank you 😊

  • @GordonReilly
    @GordonReilly3 жыл бұрын

    Very informative video, I learned alot! 🙂

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks Gordon!

  • @toprandomvideos2123
    @toprandomvideos21232 жыл бұрын

    I appreciate the video. This was informative.

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks for a positive feedback (Y)

  • @chrisstanford3652
    @chrisstanford36523 жыл бұрын

    Excellent information 🤗

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks Chris!

  • @darz_k.
    @darz_k. Жыл бұрын

    Great stuff - thanks

  • @MarekKubi

    @MarekKubi

    Жыл бұрын

    :)

  • @coloradosenary115
    @coloradosenary1152 жыл бұрын

    Good video! You did a fantastic job!

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks for motivation :)

  • @meKD
    @meKD3 жыл бұрын

    Good one. Thanks.

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Youre welcome, thanks for feedback :)

  • @processingbenefitsbt6306
    @processingbenefitsbt63063 жыл бұрын

    Wow very good video I love your so such

  • @jacintocosta
    @jacintocosta2 жыл бұрын

    really good video!

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks for commenting. This video is very informative indeed ;) What is your conclusion in the blocks choice?

  • @Daylisky
    @Daylisky3 жыл бұрын

    Hi Marek! I really love your videos. Could you make one about foundations on rocky slopes and what needs to be considered? Thanks!

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Hi! I dont know much about rocky slopes, since we dont have them in my country. So no knowledge, no video unfortunately :D

  • @estland2768
    @estland27683 жыл бұрын

    Great job. Edu Sulle ☉

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Tänud, küll see edu ka tuleb ajapikku ;)

  • @toffeeavatar5011
    @toffeeavatar50112 жыл бұрын

    Very good

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks!

  • @LazyV0cals
    @LazyV0cals2 жыл бұрын

    good work

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks!

  • @wesleytaylor-rendal5648
    @wesleytaylor-rendal5648 Жыл бұрын

    What is the compression rating for aac? I had a builder say we can't go into roof with existing aac blocks. He wanted to knock the house down and build a timber house 3 times what we were expecting.

  • @coralplanet9025
    @coralplanet90252 жыл бұрын

    Loved your videos. I just become your subscriber.👍👍✌✌

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thank you very much for support! Gonna entertain you with future videos :)

  • @MrBeard-ig5zc
    @MrBeard-ig5zc2 жыл бұрын

    Concrete blocks with rebar and concrete fill.

  • @zazugee
    @zazugee Жыл бұрын

    traditional passive houses designs focused on thermal mass, heavier thicker walls allowed for more storage of solar energy for longer nights. ofc this design won't help when you don't have any sun, or in hot climates but dry continental climates where daily temperature fluctuations are the best for this type of construction

  • @mihalysuba9432
    @mihalysuba94322 жыл бұрын

    Good, informative and simple. Good job!

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks for your feedback.

  • @Spotdy321
    @Spotdy3213 жыл бұрын

    Awesome 😎

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks, I cant believe i got reviewed by VidIq :D

  • @Spotdy321

    @Spotdy321

    3 жыл бұрын

    @@MarekKubi yeah congrats! Hope you’re able to keep your channel growing!

  • @ognjenvesic9515
    @ognjenvesic95152 жыл бұрын

    Thanks a lot for this video!! I was wandering about AAC blocks. Where I live they are thought of as a fad. Also they are dried in high temp tunnels before shipping so they never arrive wet.

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Hey, here they also dry them, but not for 100%. There are another similar block to the AAC, it is like poured concrete. As i remember, then without gypsum? They are stronger.

  • @ognjenvesic9515

    @ognjenvesic9515

    2 жыл бұрын

    @@MarekKubi thanks for your reply! Yeah, migt be it. Its called Ytong.

  • @learnfrommario7l433
    @learnfrommario7l4332 жыл бұрын

    hello. how is made light cement block . that is good

  • @dc-wp8oc
    @dc-wp8oc Жыл бұрын

    Marek, thanks for this comparison. What is your experience or opinion of earth blocks stabilized with either lime or Portland cement? What about the NAAC or Non Autoclaved Aerated Concrete blocks?

  • @MarekKubi

    @MarekKubi

    Жыл бұрын

    Hei. Thanks. I dont have experience about earth blocks. As I heard, they are expensive (time consuming).

  • @flavioprado6821
    @flavioprado68213 жыл бұрын

    Hi Marek, great videos. Aitäh! Can you please make one about the construction code at Estonia?

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks for giving some ideas. I dont know much about construction code yet. But I am planning to build new house for my family in the future and then I need to learn that. I plan to write house project by myself, to save some money. Maybe then some video about that, but not now.

  • @khaiko1646
    @khaiko16462 жыл бұрын

    right talk

  • @gorille151
    @gorille1513 жыл бұрын

    Very very informative video. Have you ever used a foamcrete 1200kg/cu.meter (around 10MPa) for a bearing wall?

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks. No I havent, but in the past at soviet time aac blocks were many times heavier.

  • @gorille151

    @gorille151

    3 жыл бұрын

    @@MarekKubi tx

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    @@gorille151 personally I would use at least 6mpa for constructive walls. I dont like 3mpa blocks. Soviet aac blocks are nice heavy blocks and still lasts.

  • @astralstudio
    @astralstudio3 жыл бұрын

    super!

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Spasibo. Kak subtitri, ponjal vsjo?

  • @astralstudio

    @astralstudio

    3 жыл бұрын

    @@MarekKubi Всё понял, да

  • @duduloi
    @duduloi2 жыл бұрын

    Could you be do kind to tell me if Estonia is located in seismic zone ? If yes, what kind of foundation do you suggest ?

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Hey Liviu. No, we dont have earthquakes here. Dont have knowledge about building in seismic zone.

  • @adamerdgas5188
    @adamerdgas51882 жыл бұрын

    Hi Marek! Great video! What are the prices of these 3 types od blocks in Estonia?

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Hey Adam. Thanks. Cant answer that, because hollow concrete block need a lot og concrete to fill and more rebar. AAC blocks are with many different thickness. And leca have different mpa. Also there is huge difference in margins, when you order blocks for full house, you get a decent discount.

  • @j22n3s
    @j22n3s2 жыл бұрын

    The reason you do not recommend AAC blocks for 2+ two-storey houses is the price I assume? Or are there some technical considerations as well?

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Hey Jänes. Nothing bad with AAC on 2-storey house. Just as i know, then most guys here are using the lightest block with less than 3mpa. I would recomment at least 5mpa, since i personally suggest to make second floor from concrete and 3mpa sounds too weak for that plan. If you use trusses for second floor, then there is less stress to the construction, but horrible sound-insulation. Soviet time aac block were way heavier and they do last well. 3mpa is still new here. Fibo from the Weber is also well proven. I myself gonna build 1-story house with hollow concrete block, just my preference, since I like to work with them more and if I can get more durability with similar price, then I am all in. Just a reminder, that walls are very small % from all house cost, so price is not a factor in my opinion.

  • @Mumumama205
    @Mumumama2056 ай бұрын

    Here in Florida they build on slab with hollow concrete block. Would you recommend using one of the other options instead? Of course its very warm here most of the time.

  • @MarekKubi

    @MarekKubi

    6 ай бұрын

    Hei. Thanks for your comments. As I understand, then heavier blocks works better in a warm climate. If you have big temperature range between day and night. Concetrate more on windows, since they are main heaters at sunny days. Everyone like big windows, but they warm house more. You can build smaller windows especially on a southern side. Or some covers or something so it will stop straight sun in windows. Also you can plant trees on that side of plot, from where usually warm wind is coming. Here we protect our plot from cold northern wind in winter. Just take time and discuss with your husband and look at your compass, so you can project house according to sun movement.

  • @Mumumama205

    @Mumumama205

    6 ай бұрын

    @@MarekKubi Thank you for your response. The house is facing south, but since I have 2 big kids and only 1 bedroom, I will need to add on to it. I figured to add a large open living with kitchen, dining table and living corner on the back, facing north, with large windows to keep it light, but no direct sun coming in. The bedrooms and bath can be in the front then, facing south with smaller windows. Your videos are very informative to decide how to build here in Florida. Thank you!

  • @briankumpan9892
    @briankumpan98929 ай бұрын

    If u coated AAC Blocks before the water test, it would not absorb that much water. They do build houses without some coationg on them

  • @mr.honeybee7661
    @mr.honeybee76612 жыл бұрын

    I feel like the AAC block would be prone to cracking in colder climates. More pockets mean more moisture and moisture in the winter time means ice. ICE expands. You’re better off with your standard Cinderblocks. They breathe better and are designed to also be stronger. That’s the point behind them not being better insulators.

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Yes, ice damages all blocks.

  • @jlee7063

    @jlee7063

    2 жыл бұрын

    What about warm climates that don’t have snow seasons?

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    @@jlee7063 I can see there one new problem. Thermal expansion. The wall is not insulated and when at day the sun is heating the wall and at night is cold, then there may appear some cracks because of that.

  • @jaime8318
    @jaime8318 Жыл бұрын

    Which would you suggest for countries with tropical weather? I'm not a fan of the tropical humidity, Which would keep the inside temperature more pleasant and not too hot and humid?

  • @MarekKubi

    @MarekKubi

    Жыл бұрын

    I don't know. Here I have experience visiting different homes and talking to owners. You should also look around there and feel the difference. In theory, I just imagine, that heavier walls should work better if there are big temperature drops between day and night.

  • @kenshinhimura3003

    @kenshinhimura3003

    9 ай бұрын

    In the Philippines they use hollow blocks, concrete houses survive with typhoon and a little earthquake. It is prone to seismic activity. My uncle's house survived the magnitude of 6.5

  • @Lawiah0
    @Lawiah02 жыл бұрын

    How about a video on "Thermal Mass"?

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Hey, thanks for your suggestion. I dont think, I have enough valuable information, to make an interesting video about thermal mass. But I may use that in some sort of tests in the future. I have a list of interesting theoretical topics, but lack of time right now :D

  • @wesleytaylor-rendal5648
    @wesleytaylor-rendal56482 жыл бұрын

    A give you a lot of respect for waiting so many days to make this video. ... Why the rebar? You don't use rebar with bricks, so why with aab or clay ones

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Thanks! In some topics unprofessional public speech may indicate the real knowledge ;) Rebar is just for security. Old brick houses were mostly built on a steady land. And I have seen many cracked old stone houses. Today we build on a clay and a swamp. And foundations are not serious nowadays.

  • @dlorien7306
    @dlorien73063 жыл бұрын

    Great video. What country are you in?

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Thanks, im from Estonia.

  • @kompshi
    @kompshi2 жыл бұрын

    By the way which country are you from?.......I like the AAC blocks since they have higher quality and can be used a tall precast concrete panels.

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Hi, Im from Estland. What do you mean by higher quality?

  • @reygoldenlobo3762
    @reygoldenlobo37623 жыл бұрын

    indonesia present

  • @rodrigoruiz976
    @rodrigoruiz9768 ай бұрын

    With just the block, which is better for sound insulation?

  • @MarekKubi

    @MarekKubi

    8 ай бұрын

    The heavier, the better. Concrete blocks. Filled with concrete.

  • @rodrigoruiz976

    @rodrigoruiz976

    8 ай бұрын

    Thank you! What if you compare it with just the concrete block, without filling it with more concrete?

  • @MarekKubi

    @MarekKubi

    8 ай бұрын

    @@rodrigoruiz976 I never tested them that way. Maybe someone done that, you can google that. I think that difference will be notiecable.

  • @rodrigoruiz976

    @rodrigoruiz976

    8 ай бұрын

    I’ve actually seen people saying different things: some, like you, say denser is better, even if it is the regular concrete block without filling it; and some say the AAC block is better because it absorbs sound from being porous. The arguments from both sides make sense to me so I’m really confused 🤷‍♂️

  • @davidharrison6998
    @davidharrison69986 ай бұрын

    So AAC blocks will work better in warmer areas like The Philippines?

  • @herkko61

    @herkko61

    3 ай бұрын

    Yes, they cool down quicker, so nights inside the house are cooler. No need to use A/C so much.

  • @Rin-cj2de

    @Rin-cj2de

    Ай бұрын

    How much are aac blocks in Phillipines?

  • @puiaturuburu906
    @puiaturuburu9063 жыл бұрын

    890 subscriber here, can you make aircrete blocks, I always fail, but after many failure now I'm close to success

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Hey, thanks for a support! I never tried to make them by myself. I think I would also fail at first attempts :D I have seen, that in some countryes people do make them at backyard, was so surprised to see that :D

  • @DJDeTVibe
    @DJDeTVibe3 жыл бұрын

    What do you think of aircrete?

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Beautiful light material, when produced properly.

  • @DJDeTVibe

    @DJDeTVibe

    3 жыл бұрын

    @@MarekKubi Do you think it is good for a home in a European climate? Hunting around it looks like it is usually made at 4 inches/ 10cm thickness for an exterior wall. Sorry for all the questions, I was in construction (site testing & inspection 30 years ago...a lot has changed). If only you could build in Ukraine, I would hire you to build my home. You are the only builder I would trust.

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Heh, in Ukraine there are many youtubers, who has built theyre houses with that block. For example channels like: MY GALAXY ; Семен Кузнецов. As I remember they used 30cm wide blocks for exterior walls. 10cm is for interior walls. And when the wall is taller than 2,6m, then it is recommended to use 15cm instead. Personally I recommend to insulate walls with rockwool. But if the house is built in south of Ukraine, then it may be no point to extra insulate 30cm AAC block walls.

  • @RichardX123
    @RichardX1232 жыл бұрын

    Is there any way to call you i need some advice , English man in Poland

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    You can email me. kubimarek@gmail.com.

  • @joosepkunder
    @joosepkunder3 жыл бұрын

    Hea video. Näha, et vaeva on nähtud. Soovitus edaspidiseks: hangi endale reväärimikrofon, see pisike, mille saad klõpsuga kampsi külge panna, siis on mugavam kuulata. Praegu vist kasutasid kaamera küljes olevat mikrofoni.

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Hei! Tore on saada soovitusi kvaliteedi tõstmiseks. Olen veidi uurinud mikrofone. Mul on seikluskaamera ja sellega vist ei saa ühendada eraldi mikrofoni. Ma hetkel arvan, et jätkan sellega, mis on ja tulevikus, kui 1000 tellijat kokku saan, siis peaks tõsisemad töövahendid ostma. Õnneks davinci töötlemisprogrammis sain hääle varasemast veidi paremaks häälestada. Päris palju enda aega kulus tõesti videole :D Ainuüksi eestikeelsete subtiitrite tõlkimine ja ajastamine võttis kolm tundi. Nüüd mõni nädal puhkan ja siis tahan vundamendist vaikselt materjali koguma hakata. Plaan on veel kvaliteetsemaks teha töötlust. See on nagu sport, kus pole kunagi enda tulemustega lõplikult rahul :D Igastahes tänud kommentaari ja vaatamise eest!

  • @bokrantzsimonsen1791
    @bokrantzsimonsen1791 Жыл бұрын

    Please don't recommend foam (styropor) isolation. It is very bad. Countries like Denmark, the Netherlands and Germany have gained many years of experience with styropor insulation and the like. It creates so many problems with inside humidity and fungae indoor, not to mention the dangers in case of fire. That is why these countries are using other insulation materials now.

  • @MarekKubi

    @MarekKubi

    Жыл бұрын

    Hey. I believe that proper ventilation does avoid problems. For some renovation projects, there may be some issues with moisture. Personally, I will build my concrete walls house with rock wool insulation. Even tho I am on a budget.

  • @verifiedgentlemanbug
    @verifiedgentlemanbug3 жыл бұрын

    but bricks are suitable for high heat insulation that is suitable to most countries with cold climate

  • @tatsianapalchekh5326
    @tatsianapalchekh5326 Жыл бұрын

    Im sorry why is insulation needed on AAC block? they how they designed - u use proper thickness and u dont need insulation. In worst case u insulate them with smth like multipor which is the same material but even less dense.

  • @WojciechP915
    @WojciechP9152 жыл бұрын

    In America we build our houses out of dead trees. It's kind of weird.

  • @MarekKubi

    @MarekKubi

    2 жыл бұрын

    Do you mean a pine tree? Here also getting more popular.

  • @Mr83goat

    @Mr83goat

    2 жыл бұрын

    And then we name our streets after them.

  • @bkucinschi

    @bkucinschi

    Жыл бұрын

    Just let me know how you can get lumber from undead trees.... zombie trees maybe?😁 Your name sounds Polish, and I assume that, like all Europeans, you are a bit dissappointed with the wood frame building technique characteristic to United States. I am too...

  • @WiseWarriorsPath2
    @WiseWarriorsPath2 Жыл бұрын

    Are you willing to work for land? I need a builder and I am willing to grant you land and friendship, and in turn be your laborer and help you build something on that land, your free and clear if you are willing to help me build my structures on mine, and I can help you obtain more lands. I am not kidding.

  • @MarekKubi

    @MarekKubi

    Жыл бұрын

    Interesting offer :D . I like Estland and am fully focused to afford land in a good place here :) Just curious, where do you plan to build your home?

  • @WiseWarriorsPath2

    @WiseWarriorsPath2

    Жыл бұрын

    @@MarekKubi You should own land in two places while still focusing on there, but you can have a back up. New Brusnwick Canada. Anything under 600 squar feet you can build how you like with no restrictions, over 600 squar feet by code... a few options and under 600 squar feet no height limit or material limit.

  • @user-sv8vi9eo3n

    @user-sv8vi9eo3n

    4 ай бұрын

    ​@@MarekKubidon't even bother replying to such comments. Please keep producing videos in your own voice.

  • @mominmomin5483
    @mominmomin54832 жыл бұрын

    Efaav'z

  • @morenoven
    @morenoven3 жыл бұрын

    If you allow me to give you an advise. It would be better to ommit your voice. With the subtitle is enough

  • @MarekKubi

    @MarekKubi

    3 жыл бұрын

    Nono, my 1000 subscribers are waiting to hear my voice in new videos :)

  • @achasilas6535

    @achasilas6535

    2 жыл бұрын

    @@MarekKubi please do not take his advice. That's a bad advice. Be yourself and produce informative videos and you will do great. Great work .

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