Nga mkpuchi ọgwụgwọ bụ ahụkarị nnọchiteanya nke nozulu ngwa. The tupu mkpuchi nozzles anyị chepụta na rụpụta nwere magburu onwe arụmọrụ na ike mfe wepu mmanụ stains, ajari ma ọ bụ Chemicals n’elu nke ihe. Raygba tupu mkpuchi na-ekpuchi Otu nzọụkwụ dị mkpa na usoro ahụ, ọ dị mkpa karịsịa ịhọrọ ihe mkpuchi na mma.

Anyị nozzles nwere àgwà nke edo spraying, ike mmetụta, na mmiri ịzọpụta, na nwere a dịgasị iche iche nke ngwa na uwa mkpuchi ụlọ ọrụ. Họrọ akara mkpuchi mkpuchi dị elu nwere ike ime ka ị ghara imekwu ihe.