Ubufakazi bokuqhuma kwe-Shenhai
Intengo yeswishi yokuvikela ukuqhuma cishe 20 I-USD, isetshenziswa ikakhulukazi ezinhlelweni ezidinga ukuphepha, ukwethembeka, nokulula ukuqaqa.
Lezi zinguquko zibalulekile emishinini yasembonini nasezinhlelweni lapho kungase kube khona amagesi avuthayo. Zibuye zisetshenziswe kabanzi ezimbonini zamakhemikhali, izimboni jikelele, izinqolobane zokusanhlamvu, paint or ink manufacturing plants, wood processing facilities, cement factories, dockyards, and sewage treatment plants.