Shenhai Kuputika-Uchapupu
Nokuda kwekudzivirira kuputika kwegesi, nzira dzakasiyana-siyana dzinoshandiswa, kusanganisira Flameproof (d), Kuwedzera Kuchengetedza (e), Intrinsic Safety (i), Pressurized Enclosure (p), Encapsulation (m), Kunyudzwa Kwemafuta (o), Kuzadzwa Nejecha (q), “n” Type (nA, nR, nL, nZ, nC), uye Kudzivirirwa Kwakakosha (s).
Nezvekudzivirira kuputika kweguruva, nzira dzinosanganisira Intrinsic Safety (iaD kana ibD), Enclosure Dziviriro (tD), Encapsulation Dziviriro (mD), uye Pressurized Enclosure Dziviriro (pD).