Iitanki ze-crygenic ziyimikhombisi, iinqanawa zoxinzelelo ezinokufakelwa i-vacuum yokugcina izinto ezibandayo zezinto eziphezulu zokusebenza eziqhelekileyo ezifanayo kunye neqondo eliphezulu le-polyurethane.
UMGAQO-NKQUBO WOKUSETYENZISWA KWE-CARBON DiOXID