Sarrafa mold za a iya kusan kashi uku daban-daban sassa, wato mold ci gaban, mold amfani da mold kiyayewa.
Tsatsawar ƙwayar cuta abu ne na al'ada kuma yana haifar da dalilai na musamman. Ba matsala ba ne da ingancin karfe. A yau zan gaya muku abin da ke haifar da tsatsa.
A yau, ina so in bayyana muku ka'idojin yarda da samfuran mold. Mu yafi nazarin bayyanar, girman da abu na mold. Mu duba.
A matsayin "mahaifiyar masana'antu", gyare-gyare suna taka muhimmiyar rawa wajen bunkasa tattalin arzikin kasa.
Abubuwan da aka haɗe ana samun su ta hanyar haɗakar abubuwa biyu ko fiye da ke da mabanbantan kaddarorin jiki ko sinadarai.
Kamar yadda masana'antar kera motoci ke ci gaba da haɓaka, haka kuma buƙatun sassan mota ke ƙaruwa, gami da gyare-gyaren mota.