Isikhathi sokumelana nomlilo se-Class A iminyango yomlilo ayikho ngaphansi kwe-90min, futhi kukhona insimbi nezinkuni. Ingaphakathi leminyango yomlilo ye-Class A ngokuvamile yenziwe nge-perlite, kanye nenani elincane lezinto eziphikisayo ezifana namabhodi angashisi we-vermiculite, amabhodi omgogodla we-foam, izinto eziguquguqukayo ze-MC, njll.

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