Lo mkhiqizo usetshenziselwa ngokukhethekile isifanekiso sesakhiwo esingenhla, esifanekisweni sesakhiwo esiseduze nokuvalwa, isivikelo sokuvikela amanzi kanye nomswakama, ukumelana nomswakama kanye nomswakama emoyeni nesitimu, ungavumeli isifanekiso sesakhiwo ngenxa yokumuncwa kwamanzi kanye isigubhu.Kungakhathaliseki ukuthi i-formwork yesakhiwo ithuthwa ngomhlaba noma olwandle, inomphumela omuhle womswakama kanye nomphumela wokungena kwamanzi.Umbala we-putty paste ungenziwa ngokwezifiso ngokuvumelana nezidingo zamakhasimende.