(1) Mentenens bilong ol ikwipmen:Ol bikpela wok mentenens na ovahol bilong ol ikwipmen oltaim, olsem klinim sistem bilong mekim kol, senisim ol hap we i bagarap pinis, skelim ol masin paramita, na ol narapela samting, long mekim ol ikwipmen i wok gut na i gat gutpela kwaliti bilong prodaksen.
(2) Klinim paiplain:Klinim gut ol paiplain long prodaksen lain long stopim paiplain i pas na bagarap we i bagarapim kwaliti bilong prodaksen.
(3) Apgredim sistem:Oltaim apgredim o stretim kontrol sistem bilong prodaksen lain long bihainim ol senis long maket diman na mekim prodaksen i kamap gutpela moa.
(4) Sefti inspeksen:Sekim na lukautim ol sefti proteksen divais bilong ol ikwipmen long lukim olsem ol opereta i seif na seif operesen bilong ol ikwipmen.
