>>584446
Пидорашки необучаемы, это лёгкий бетон.
Пенополистиролбетон
Expanded polystyrene (EPS) concrete (also known as EPScrete, EPS concrete or lightweight concrete)
https://en.wikipedia.org/wiki/Expanded_polystyrene_concrete

с гранулами
https://en.wikipedia.org/wiki/Polystyrene#Expanded_polystyrene_(EPS)