Essex Board Measure
This is a table on the back of the body; it gives the contents of any size lumber. The table is located on the steel square used by carpenters.
A person's physical posture and gestures.
An assembly of machines used together to do a particular job.
To warp across the grain
This is the common hammer used by carpenters to drive nails. The claws are used to extract nails that bend or fail to go where they are wanted.
A horizontal strip of 3/4" plywood, particle board, or lumber (usually pine) approx. 3" - 6" wide, nailed flat against the cabinet back at the top & bottom shelf. This supports the cabinet span by stiffening or offering strength to the top & bottom, while also providing a substantial thickness to screw through, when installing the cabinet to the wall.
An exposed or visible back panel of a cabinet (e.g. what a viewer sees while facing the rear elevation of an island cabinet.)
Crisscross Wire Support
This refers to chicken wire that is used to hold insulation in place under the flooring of a house.
Electrical Distribution Panel
Part of the electrical distribution system that brings electricity from the street source (power poles and transformers) though the service lines to the electrical meter mounted on the outside of the building and to the panel inside the building. The panel houses the circuits that distribute electricity throughout the structure.
The traditional name used to describe construction drawings.
A wood chisel is used to cut away wood for making joints. It is sharpened on one end, and the other is hit with the palm of the ahnd or with a hammer to cut away wood for door hinge installation or to fit a joint tightly.
A chair is a support bracked for steel reinforcing rods that holds the rods in place until the concrete has been poured around them.
Mid-level, horizontal board required on all open sides of scaffolding and platforms that are more than 14 inches from the face of the structure and more than 10 ft above ground. It is placed halfway between the toeboard and the top rail.
Abbreviation for electrical discharge machines. Computer-controlled machine tools that cut and form parts that cannot be easily fabricated otherwise.
Direct Current (DC)
Electrical current that flows in one diretion, from the negative (2) to the positive (1) terminal of the source, such as a battery.
A person who is capable of identifying exisiting and predictable hazards in the surrounding or working conditions which are unsanitary, hazardous, or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate them.
A work area large enough for a person to work, but arranged in such a way that an employee must physically enter the space to perform work. A confined space has a limited or restriced means of entry and exit. It is not designbed for continous work. Tanks, vessels, silos, pits, vaults, and hoppers are examples of confined spaces.
A drawer assembly (having a front, back, bottom & two sides) which attaches to a separate drawer front.
Enclosed, fenced, covered, or otherwise protected by barriers, rails, covers, or platforms to prevent dangerous contact.
This chisel is made with an edge that can cut metal. It has a one piece configuration, with a head to be hit by a hammer and a cutting edge to be placed against the metal to be cut.
Hazard Communication Standard (HazCom)
The occupational Safety and Health Adminisration standard that required contractors to educated employees about hazardous chemicals on the job site and how to work with them safely.
Personal Protective Equipment (PPE)
Equipment or clothing designed to prevent or reduce injuries.
Braces (metal or wood) placed diagnolly from the bottom of one rail to the top of another rail that add support to a structure.
Maximum Allowable Slope
The steepest incline of an excavation face that is acceptable for the most favorable site conditions as protection against cave-ins, expressed as the ratio of horizational distance to vertical rise.
A very hard material made of carbon and one or more heavy metals. Commonly used in one type of saw blade.
Waste material from welding operations.
A sudden bright light associated with starting up a welding torch.
Occupational Safety and Health Administration
An agency of the U.S. Department of Labor. Also refers to the Occupational Safety and Health Act of 1970, a law that applies to more than more than 111 million workers and 7 million job sites in the country.
The electrical outlet that is placed inside the structural elements of a building, such as inside the walls. The face of the receptacle is flush with the finished wall surface and covered with a plate.
A continous plastic or metal u-shaped track (mounted vertically on cabinet ends & partitions), having slots or holes to support shelf clips for adjustable shelves.