Khetho ea thepa ea mekotla ea ho paka libisikiti

1. Litlhoko tsa ho paka: thepa e ntle ea litšitiso, moriti o matla, ho hanyetsa oli, khatiso e phahameng, ha ho na monko, liphutheloana tse otlolohileng.

2. Sebopeho sa moralo: BOPP/EXPE/VMPET/EXPE/S-CPP

3. Mabaka a khetho:

3.1 BOPP: Ho thatafala hantle, ho hatisoa hantle, le litšenyehelo tse tlaase

3.2 VMPET: thepa e ntle ea litšitiso, qoba leseli, oksijene le metsi

3.3 S-CPP (CPP e fetotsoeng): sealability e ntle ea mocheso o tlase oa mocheso le ho hanyetsa oli