PC ea polasetiki ea pc e sirelelitsoeng ka sefahleho ke lisebelisoa tse sireletsang ho sireletsa sefahleho sa lintho tse ling tsa lintho tse ling, lino tse metsi. E entsoe ka polycarbonate (pc) polasetiki, e nang le litšobotsi tsa matla a maholo, pepeneneng le hanyetsa khahlanong le karohano ea karohano ea abrasion le curros Li-maske a polasetiki tse sirelletsang li na le 'mele o felletseng oa sefahleho li na le' mele oa mask le hlooho. 'Mele oa mask o koahela sefahleho kaofela, ho kenyelletsa le mahlo, nko le molomo, ho fana ka tšireletso eohle. Cloi e ka lokisoa ho latela litlhoko tsa motho ka mong, e boloka botsitso le matšeliso a maske.
Li-muski tsa polasetiki tse sirelletsang li sebelisoa haholo ka li-indasteri, tsa laesense le li-laborate, li-splathes, li-comkhametso, jj. Ho fokotsa kotsi ea tšoaetso le ho lemala.