Abrasives bụ ihe dị nkọ, ihe siri ike a na-eji egweri elu dị nro.Abrasives nwere abrasives eke na abrasives artificial na ngalaba abụọ.Dị ka isi ike nke nhazi ọkwa nke superhard abrasive na nkịtị abrasive abụọ edemede.Abrasives sitere na ihe na-eme ka ụlọ dị nro na ihe abrasives bara nnukwu uru ruo ihe siri ike, diamond.Abrasives bụ ihe dị mkpa n'ịmepụta ụdị ngwaahịa ọ bụla ziri ezi.Ọtụtụ abrasives eke ejirila abrasives arụ ọrụ dochie anya.Ewezuga diamond, ihe onwunwe nke abrasives eke adịghị eguzosi ike, ma ha ka nwere uru ojiji ha.A na-emepụta diamond, abrasive kachasị sie ike na South Africa, na-akpata 95% nke mkpokọta ụwa, yana ndị ọzọ na Brazil, Australia, Guyana na Venezuela.Ola diamond ụlọ ọrụ na-esi na nke na-acha ọcha ruo na oji.Mgbe egwerichara, enwere ike ịme wiil ndị na-egweri, eriri abrasive, wiil na-egbuke egbuke na ntụ ntụ.
Oge nzipu: Eprel 11-2023