Isu takagadzira ese akachinjika uye akatwasuka anodziya-kumucheto spacer insulating girazi kugadzira mutsara kusangana nevatengi vakasiyana zvinodiwa.Iwo michina inogona kushandiswa kugadzira yechinyakare aluminium spacer insulating girazi unit uye super spacer insulated girazi unit zvakare.