1 Nalaushi daurada farko an duba shi don ganin yana da takaddar daidaituwa. An bincika kowane ɗamarar ɗamarar da aka ɗora kafin a bar masana'anta kuma tana da takaddar daidaituwa.
2 Shin suturar ɗamarar ɗamarar ɗamara ɗaya ce da kauri?
3 Ko farfajiyarlaushi dauraan yanke, musamman farfajiya tare da sassan ƙarfe, dole ne a bincika sosai.
Only when these basic conditions are met can it be considered a qualified laushi daura and it is safer to use.