I-explosion-proof fan impellers zi Ngokwesiqhelo yenziwe ngealluminiyam, enikezela ngeempawu ezithembekileyo zobungqina bokudubula. Kwiindawo ezifuna ukuxhathisa okongeziweyo kokuhlwa, i-fiberglass lukhetho olucetyiswayo. Zombini izixhobo, i-aluminium alloy kunye ne-fiberglass, ziyasebenza ekuqinisekiseni ukhuseleko olungagqabhukiyo.
Banika amandla ayimfuneko kunye nokuqina, ngelixa ikwajongana nemingeni ethile yokusingqongileyo efana nezinto ezidlayo okanye iimeko ezigqithisileyo. Ukukhethwa kwabo kubalulekile ekugcineni zombini ingqibelelo yenkqubo yabalandeli kunye nokhuseleko lommandla ongqongileyo, ukubenza balungele uluhlu olubanzi lwezicelo zoshishino.