Shenhai Kuputika-Uchapupu
Flameproofing inomiririra imwe yenzira dzakasiyana-siyana mukati menzvimbo yekudzivirira kuputika.
Nzira idzi dzinosanganisira: mafuta akanyudzwa 'o', positive pressure ‘p’, jecha rakazara 'q', flameproof ‘d’, increased safety ‘e’, intrinsic safety ‘i’ (zvakachengeteka), special ‘s’, and non-sparking ‘u’ mhando. Noently, certain methods of explosion protection can be synergistically combined for enhanced effectiveness. (The letters correspond to the types of explosion protection indicated on the labels of explosion-proof devices.)