Ngwa
M-D11, n'ozuzu size: 39mmx190mm, nwere ike iru ruo 6 padlocks.
M-D12, n'ozuzu size: 40mmx115mm, nwere ike na-aghọta ruo 3 padlocks.
A na-atụ aro ka a na-ejikọta mkpọchi ahụ na mkpuchi mkpuchi, na-atụ aro ka a na-eji ihe mkpuchi ahụ mee ihe iji nweta ihe nchekwa nchekwa ike na nchekwa akụrụngwa. .
1. Usoro njikwa ọtụtụ mmadụ: Nhazi nke oghere 6 na-enye ohere ka ọtụtụ ndị ọrụ kpọchie n'otu mkpọchi ahụ, na nchekwa nchekwa na-egbochi akụrụngwa imeghe n'oge mmezi ma ọ bụ mgbanwe ruo mgbe a na-ewepụ nko onye ọrụ ikpeazụ na ebe ọrụ hap, na-ekwe ka imeghe njikwa ahụ. Ọtụtụ mmadụ nwere ike ijikwa otu n'otu aka ahụ.
2. Imeghe akụkụ: Mgbe emepechara akụkụ, pịa ma meghee ebe mkpọchi ahụ, ọ dị mfe ịgbachi, gbochie oghere mberede n'oge usoro njikwa, wee mezuo ebumnuche nke ịgbachichi mkpọchi. Gbochie iji ya eme ihe n'ụzọ na-ezighị ezi.
3. Jiri ma wụnye n'oge ọ bụla: A na-atụ aro ka ejiri mkpọchi ahụ mee ihe na mkpọchi nchekwa na akara iji nweta ebumnuche nchekwa nke ikewapụ mmejọ.