1) hom tshiab kev tswj cov zauv tswj xwv kom ua tau raws li cov kev cai ntawm tus qauv, hloov tau thiab qhib;
(2) txhua yam khoom siv ua lag luam (xws li ntim tshuab, tshuab luam ntawv, thiab lwm yam), cov khoom siv tiv thaiv (xws li kev soj ntsuam cov tshuab, thiab hais txog), cov cuab yeej siv kho mob, kev siv lub kaw lus tswj kev tsim kho thiab kev txua dua, qhov chaw ua haujlwm kho vajtse rau cov khoom siv tes suab tswj;
(3) PC tshuab yog dav siv nyob rau hauv industrial field, kuj nruab nrog coj daim npav tiv thaiv PC tshuab tag nrho ntawm cov haib nta.