أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Due to contamination during storage, transportation and construction phases, a lot of dust may accumulate in the ventilation ducts. After construction process, pollutants accumulate into duct surface during the operation of the air handling system. The aim of this workwas to develop a cleaning concept to maintain the cleanliness of HVAC system.