Air flow pttern of Clean room in Hindi [Video No 7]

[@sadafsiddiqui8363]

Sir plz ye btao ki pharma m total jitne bhi area hote h un sab m kon kon si class maintain krte h Or HVAC system k according class level maintain kaise kiye jate h

[@zohanmalik5678]

By maintaining air flow,
by using special filters like hepa filter , prefilter.
Negative pressurised area for preventing cross contamination of air.