1. A tract of low, soft, watery swamp ground. 2. Expression that
means a difficult, troublesome or perplexing state of affairs. A
time period during which a certain activity is not allowed. A
rounded hill or point of land. The standard for drill press
sockets or tapered shank drills. Movement is prevented between
the tapered socket and the tapered shank of the drill, inserted
into it, due to the snug fit. The drill is securely held by the
taper but quick change is possible. Mortar, a mixture of
Portland cement, an aggregate or sand, and lime and water in
certain combinations, is used to bind masonry units, such as
brick, block or stone, together. Type K mortar is used for non-
bearing and decorative masonry due to it's low compressive and
bond strength. Type M mortar is used for reinforced brick
masonry and below grade usage, such as with foundations, where
it comes in contact with soil. Type N mortar, waterproof and
medium in strength, it's used in chimneys, etc., where it is
exposed to the elements. Type O m