Установите последовательность пропущенных слов и выражений.
1) Scratch, 1_______, and wash out the subfloor.
2) When making a floor with a rectangular 2_______ set the tiles parallel to the wall.
3) Apply 3_______ to the subfloor only for one course of tiles.
4) Lay the tiles to the 4_______design.
clean
design
mastic
prepared