Definition of the term Coal Tar Pitch A bituminous material, which is a by-product from the coking of coal. It is used as the waterproofing material for tar and gravel built-up roofing. Related Posts Definition of the term Aggregate Crushed stone, slag or water-worn gravel that comes in a… Definition of the term Amperage The rate of flow of electricity through wire - measured… Definition of the term Arbitration Service A service to resolve complaints, as in NACHI's Arbitration Service.
Definition of the term Arbitration Service A service to resolve complaints, as in NACHI's Arbitration Service.