Injin yin sabulun wanke-wanke yana samar da fim mai narkewa cikin ruwa, yana auna yawan sabulun da aka sarrafa, yana rufe ramin, sannan yana duba murfin da aka gama. Ana sarrafa fitarwa ta hanyar zafin fim da tashin hankali, kwararar tsari, matsin lamba na hatimi, da dubawa - ba ta hanyar yawan zagayowar kanun labarai kaɗai ba. Kafin siyan, gudanar da foda, ruwa, ko hadadden tsari ta hanyar gwajin karɓar masana'anta (FAT), sannan a tabbatar da irin wannan sarrafawa a gwajin karɓar wurin (SAT).