PLB has various meanings in the The Finance and Administrative Services category. Discover the full forms, definitions, and usage contexts of PLB in The Finance and Administrative Services.
Sleeves that fit around drain and waste vent pipes at, and are nailed to, the roof sheeting. Vertical or perpendicular. A lead weight attached to a string. It is the tool used in determining plumb. Vertical or verticality, measured using a plumb-line or plumb-rule or these days a spirit level.
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