Wannan kayan aikin ya ɗauki ƙirar kwance ta ƙasa, shine asalinmu bisa ga sabon daidaitattun bukatun ci gaba da ci gaba da sabon kayan aiki, galibi ana amfani da shi a cikin takarda, aluminum fare da sauran masana'antu da sauran buƙatu don sanin tenal ƙarfi na samar da abu da kayayyakin bincike.
1. Gasa da karfin da ke da tensile, ƙarfi da kuma rigar mai karfin takarda bayan gida
2. Dalili na elongation, tsayin karfin, tsayin karfin tensilation, indx, Index Teens Eleyulus
3.Masase da peeling peeling karfi na m tef