A cikin yanayin yanayi, akwai abubuwan ƙarfafawa da yawa don lalata kayan abu, irin su iska, zafin jiki, zafi, salinity, radiation, da dai sauransu A karkashin yanayi daban-daban, waɗannan abubuwan ƙarfafawa za su kasance masu yawa ko ma duk sun haɗa tare, kuma dorewa na kayan zai kasance. buga a duk zagaye ...
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