rough order of magnitude (ROM) Definition. An estimate of costs and time provided in the early stages of a project when its scope and requirements has not been fully defined. An ROM is used to reduce the uncertainty of cost outcomes for both parties when project details have yet to be identified. Use this term in a sentence.
Prior To Fitting Your Wickes Water Softener. The water softener must be installed inside a plastic water tank, this tank should then be you may hear a hissing noise as the water rushes through the valve. Once the hissing noise has stopped, open the outlet valve and run some water.
Subject: Loose screw on faucet valve stem. Had the same problem. The cold water faucet in the lower bathroom sink was leaking so I replaced the seat and stem. Right after that, the pipes were vibrating madly whenever the water was turned on to that faucet, so much so that the lights above the mirror were flickering.