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.
I have a very loud vibrating in the pipes of my house. Whenever a toilet is flushed, or water is run upstairs, shortly afterward it is as if a tug boat is coming through the downstairs. It appears to be behind the washer and the sound somewhat dissapates if you hold the cold water faucet behind the washer.