Umshini wokubulala amagciwane emoyeni uwumshini obulala amagciwane emoyeni ngezimiso zokuhlunga, ukuhlanzwa, nokuvala inzalo.Ngaphezu kokubulala amagciwane, amagciwane, isikhunta, izinhlamvu nokunye okuthiwa ukuvala inzalo, amanye amamodeli angaphinde asuse i-formaldehyde, i-phenol nezinye izinto eziphilayo...
Funda kabanzi