Lesi sikhwama senziwe ngezinto ezihlanganisiwe zezendlalelo ezintathu (MOPP/ PET/PE), isendlalelo sangaphandle ifilimu ye-MOPP, futhi umphumela oyisithwathwa muhle ukuzwakala, okuwenza ube sezingeni eliphezulu kakhulu. Ungqimba olumaphakathi yi-PET aluminized ngesikhumba senkomo esimhlophe, esingavimba ukukhanya futhi sivimbele imisebe ye-ultraviolet. Isendlalelo sangaphakathi yi-PE, enendawo enhle yokuvala kanye nempahla enhle yokuvimbela.
Isikhwama esinoziphu singavalwa ukuze siphinde sisetshenziswe.