In treating swimming pool, water the filtration system to be used IS
Aslow sand filters
Brapid and filters
Cpressure filters
Dany of the above
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The means of access for inspection and cleaning of sewer line is known as:
Bleaching powder is:
The system of carrying sewage through sewer :
The organic impurities are converted into simple and harmless compounds due to:
Which of the following would help prevent escape of foul sewer gases from water closet?