Casters kamar yadda aka sani ga jama'a a matsayin masana'antu, amma aikace-aikacen rayuwa a ko'ina, idan aka kwatanta da kasashen waje dubun daruruwan shekaru na masana'antar caster, masana'antar simintin gida ta fara a makare. A duniya baki daya, alamar karnin da ta gabata sau da yawa tana rubuta inganci cikin alfahari a duniya, babban ...
Kara karantawa