Ukuze kwandiswe isikhathi seshelufu sokudla, ngaphezu kokudla okuphekiwe nokudla okomisiwe emoyeni, iningi lazo lisebenzisa ukupheka, ukuvala inzalo, okokuqandisa kanye nokupakisha ngevacuum, kanti abanye baze bengeze i-preservative addi...
Funda kabanzi