Labaran Masana'antu

An fara bincika ƙulla mai laushi don ganin ko yana da takardar shaidar dacewa. Kowane bel mai ɗagawa an duba shi sosai kafin ya bar masana'anta kuma yana da takardar shaidar dacewa

Ya kamata sarƙoƙin ya zama santsi da lebur, kuma ba a yarda da lahani kamar tsagewa, kaifi, ƙonewa, da sauransu.

Shackle wani nau'i ne na majajjawa, wanda ake amfani da shi sosai a masana'antu daban-daban kamar wutar lantarki, karafa, man fetur, injina, layin dogo, masana'antar sinadarai, tashar jiragen ruwa, hakar ma'adinai, gine-gine da sauransu.