Jrain amapanga ndikupanga zigawo zingapo za ma fiberglass fan and dampers and demives.
Zipolopolo za Fiberglass fan, ma dampers ndi ziwonetsero zimagwiritsidwa ntchito kwambiri pochiza asidi ndi alkali, kuchizira zinyalala, makina owongolera apolisi, dongosolo lazoyendetsa mwadzidzidzi la chlorine scrubber.