Ukuthintela imiba yokupholisa enje ngokuncipha kokusebenza kokupholisa, ukusilela kwesixhobo, ukonyuka kokusetyenziswa kwamandla, kunye nobude bexesha lesixhobo esifutshane, ukucocwa rhoqo kunye nokugcinwa kwezinto zokupholisa amanzi kwimizi-mveliso kubalulekile. Ukongeza, uhlolo lwesiqhelo kufuneka lwenziwe ukuze kufunyanwe kwaye kulungiswe iingxaki ezinokuthi zenzeke kwangoko, kuqinisekiswe ukusebenza kakuhle kunye nokutshatyalaliswa kobushushu.