Engineering, 26.02.2020 00:20 eylinglez3ovm16v

Cleaning the shop's floor is being discussed. Technician A says to flush the waste and dust into a floor drain. Technician B says a wet/dry vacuum cleaner with a HEPA filter is the preferred method. Who is correct?

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Cleaning the shop's floor is being discussed. Technician A says to flush the waste and dust into a f...