Cement mortar is made in the proportion: 1 part of cement grade 300 and above, 4 parts of sand.
Cement mortar is made in the proportion: 1 part of cement grade 300 and above, 4 parts of sand.
user
Цементний розчин роблять в пропорції: 1 частина цементу марки 300 і вище, 4 частини піску.
assistant