It's amazing how we use cement and concrete more than all other materials combined, yet people know very little about how it actually works. Watch this amazing video to learn more!
It's amazing how we use cement and concrete more than all other materials combined, yet people know very little about how it actually works. Watch this amazing video to learn more!
A mě si kamarádi smějou, že mám z betonu maturitu a 3 zkoušky na vejšce 😇
