Pampiri ea PH
1. Ho nka pampiri ea teko ka har'a joala bo ka utloisisoang halofo ea motsotsoana hamorao, ebe u e ntša 'me u e bapise le lente le' mala o tloaelehileng, e leng boleng ba PH. hore mahloriso a ka tlasa 0.01% 3. Pampiri ena ea liteko e hloka ho bolokoa moriting le moo ho omileng. Nako ea ho boloka ke lilemo tse 3.
Ngola molaetsa oa hau mona ebe u o romella ho rona