Aug 03,2021 Khetho ea mofuta oa sebopeho sa mochini oa tiiso ke mohato oa bohlokoa ts'ebetsong ea moralo, o tlameha ho batlisisa pele: 1.Mekhahlelo ea ho sebetsa -Khatello ea media, mocheso, bophara ba shaft le lebelo. 2. Litšobotsi tse mahareng - mahloriso, viscosity, causticity, e nang le kapa ntle le eona ...
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