Also called cutting off tools, they are available for both wood lathes and metal lathes and are used to cut straight into the piece that is turning on a lathe to separate it from the lathe headstock. The wood lathe tool is hand held. The metal lathe tool is held in a tool holder and is advanced into the work as the work spins and cuts completely and smoothly through the work.
Partition
The division of real estate between owners giving each an undivided interest. Alternately, an interior wall dividing an area into two or more rooms or separate areas.
Partition action
Court action to order a compulsory sale of real estate owned jointly between two or more owners. A partition action divided the proceeds of a real estate sale among the joint owners rather than physically dividing the real estate into separate undivided interests.
Partition terminal
Metal edging which serves as an expansion joint at the top of a plaster partition which does not connect to any other part of the construction.
Partition wall
Wall which subdivides space but does not provide structural support.
Partnership
An agreement between two or more entities to go into business or invest. Either partner may bind the other, within the scope of the partnership. Each partner is liable for all the partnership's debts. A partnership normally pays no taxes, but merely files an information return. The individual partners pay personal income tax on their share of income.
Parts per million (ppm)
A unit, which may be mass/mass, and hence represents a direct measure of fractional mass, or volume/volume, and represents in this case, a molar fraction at low pressures and high temperatures, commonly used to represent the degree of pollutant concentration where the concentrations are small.
Party wall
Boundary wall between two properties, built along the line separating the properties, partly on each parcel. Either owner has the right to use the wall and has an easement over that part of the adjoining owner's land covered by the wall.
Pascals (pa)
A small unit of air pressure. One pound per square inch equals 6,895 pascals.
Pass
(1) Single layer of a many layered application, such as in welding, painting stucco, etc. where drying time is needed between application. (2) An opening through a barrier.
