Ana amfani dashi a cikin kowane nau'in yadi, bugu da rini, sutura, yadi, fata, filastik da sauran kayan da ba na ƙarfe ba, saurin yanayi, saurin yanayi da gwajin tsufa na haske, ta hanyar matakan gwajin sarrafawa a cikin aikin kamar haske, zafin jiki, zafi, samun rigar a cikin ruwan sama, samar da gwajin da ya zama dole wanda aka kwaikwayi yanayin yanayi, don gano saurin haske samfurin, saurin yanayi da aikin tsufa na haske.