In between, intermediate, intervening; passing an interest from a principal to a second party and then to a third party.
Messenger supported wiring
Used in outdoor lighting systems or service drops, the electrical wiring is supported by high strength wire.
Met
An approximate unit of heat produced by a resting person, equal to about 18.5 BTU per square foot per hour.
Meta-anthracite
High carbon content coal, which is difficult to ignite or burn; similar to graphite in composition and structure.
Metal
High luster, heat and electricity conducting. Easily molded class of chemical element, with a crystalline structure. Very durable, they include gold, copper, iron and steel, etc.
Metal arc cutting
Use of an electric arc to provide heat to cut metal.
Metal corner
Siding trim, of metal, which has the appearance of a mitered corner.
Metal deck
Called Q-deck, this permanent form for concrete is made of a ribbed steel sheet for reinforcement and strength.
Metal drip edge
Preformed piece of sheet metal used to protect the roof shingles from water backflow, by guiding water runoff to drip off the edge of the roof.
Metal edge
Brake metal or metal extrusions which are secured at the perimeter of BURM to form a weathertight seal.
