1. a substance used to promote fusion, especially of metals or minerals. 2. a substance (as rosin) applied to surfaces to be joined to clean and face them from oxide and promote their union. Advertisements
1. to confine a potential source of contamination to the non-potable system being served 2. to provide a backflow prevention mechanism at each actual or potential cross-connections.
a relatively soft material used in making joints watertight or airtight by being squeezed or compressed in the joining operation
1. drawing out by suction. 2.the removal of fluids and/or gases from a cavity by means of a aspirator.
a group of materials that melt at low temperature absorbing large quantities of heat. Used in some types of solar collectors.
latin for lead.