In construction terminology this is a common abbreviation for water resistant barrier. Water resistant barrier can be designated as one of many materials or types of materials that prevent water penetration at the defined envelope building when combined with proper...
A material used in water softeners that attracts colloidal particles in water and retains them until the material is subject to water with a high concentration of salt dissolved in it. When in the presence of salt water
A cord built into a package covering that can be used to tear away the covering. The exposed end of the zip cord is pulled on so that it will tear through the package cover and allow it to be pulled away.
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