Mask, worn over nose and mouth when working, which filters out dust particles from the air.
Dust mask for cutting acoustic core
Dusting
The application of dry portland cement to a wet floor or deck mortar surface.
Dutch arch
Arch that is constructed from rectangular, rather than wedge shaped bricks, and is flat on the top area.
Dutch colonial style
Design that features a barn-like gambrel roof, overhanging eaves, a ground-level front porch and dormers.
Dutch door
Horizontally divided door where the upper and lower halves open and close independently of each other.
Dutch hip roof
Roof with the upper gable ends of the roof being built with a short hip section.
Dutchman
A cut tile used as a filler in the run of a wall or floor area.
Dutchman cut
Method of cutting down a tree, which must fall in the opposite direction from its natural leaning tendency. To do this, an undercut is notched at 90 degrees to the direction of the fall and then the face cut made for the undercut is extended. A back cut is made on the side of the natural lean, a wedge is inserted and then the back cut is extended to fell the tree.
Duty cycle
The duration and periodicity of the operation of a device.
