A ladder is an important tool to assist in reaching heights above the normal level of reach

Ladder blocking is a series of horizontal boards placed in a stud bay for a solid T wall and sometimes corner wall connection

Latex is a paint category that uses water as the liquid carrier. Remains water soluble until it has fully dried

A lavatory is a sink or washbasin in a bathroom

Layout is the regular placement of studs in a wall, floor, roof, or ceiling framing. Common layout patterns are 12”, 16”, and 24” on center

Level means perfectly horizontal relative to the earth’s gravity

Leveling is the process of creating a flat fill over an indented area that cannot be seen by the eye or felt with a hand.

Leveling is also a flow aspect of paint that allows the applied paint film to flatten out to a consistent finish while wet

A line is a conductor used to feed electricity to a circuit. This part of the circuit is usually identified by conductors with black or red insulation color and gold colored terminals on devices

Lines are drawing features of different types and thicknesses used to indicate the built structure and specific components of a building

Linesman pliers are a wide tipped gripping tool for cutting and twisting wire

A load center is ametal enclosure that holds main supply wires, the main disconnect, and individual branch circuit wires and circuit breakers

A loadbearing wall is a wall supporting any vertical load in addition to its own weight. These walls must include special framing details like structural headers for rough openings and a double top plate

Loading is the specific process of adding paint to a brush or roller before applying it to a surface

A locking hinge is a specially designed pivoting component on an articulated ladder that automatically locks at each predetermined orientation (eg: fully closed for storing, A frame, and straight extension positions)

Locking spreaders are devices on a step ladder for securely holding the front and rear rails apart

The long stroke is the fully extended position of the saw blade as it reciprocates

A Low E coating  is a glass surface treatment that reflects infrared and UV light while allowing visible light to pass through

A lumber grade is a rating scale for lumber used to judge lumber based on appearance and strength (1 to 4 and A to D)