1.Ifanele ukuphakanyiswa nokuthuthwa kwezinsimbi zensimbi, ukwakhiwa kanye nebha enephrofayili endaweni evundlile.
2. Gwema ukuhlwitha noma ukulayisha ukushaqeka.
3. Umkhawulo womthwalo osebenzayo uwumthwalo omkhulu izintambo ezigunyazwe ukuze ziwusekele uma zisetshenziswa ngamapheya ane-engeli yokuphakamisa engu-60 degree.Ukusebenza kwe-inlifing ama-clamp angasetshenziswa ngamabili noma ama-multiple.
4. Umhlathi wesikulufa womzimba ungashintshwa, futhi ube nenkinobho yokugcwala.