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1. under-drawing
under-drawing : Describes the formation of a false ceiling by covering in roof trusses or beams with a light structure of building board or similar material.
2. undercoat
undercoat : A paint coating applied after the primer and before the finishing coat. In relation to timber an undercoat helps fill the grain to give a good basis for a gloss coat and in all More…
3. universal colourants
universal colourants : A colourant which can be used for thinning water-thinned and solvent-thinned paints.
4. useful life
useful life : The period of time during which the paint film is still satisfactorily protecting and/or maintaining its decorative appearance.