Ukuze kwandiswe ubomi beshelufa yokutya, ukongeza kukutya okuphekiweyo kunye nokutya okomisiweyo emoyeni, uninzi lwazo zisebenzisa ukupheka, ukuvala inzala, ukukhenkceza kunye nokupakishwa kwevacuum, kwaye abanye bade bongeze i-preservative addi...
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