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A small trowel used to spread mortar on a brick before it is laid.

A valve used to control the flow of fluids; a disk controls flow through the port. Also called a butterfly damper.

A decorative hinge having the appearance of a butterfly.

A wood chisel with a short blade, esp. used for setting hardware on doors and doorframes.

Concrete having an exposed aggregate finish; usually obtained with a power-operated bushhammer which removes  (by percussive cutting) the sand-cement matrix about the

1. In masonry, a stretcher having a bullnose along the longest dimension for laying along an edge, as along a sill. 2.

A brick or concrete masonry unit having one or more rounded exterior corners.

1. In plumbing, a pipe tee which is connected to a branch that is longer than the main run. 2. A plumbing tee

A tool or machine used to smooth unformed surfaces of freshly placed concrete.