Tools {measuring tool} can include ruler or straightedge, measuring tape or steel tape, carpenter's square, T-square, combination square, carpenter's level, torpedo level, and level.
Hinged sticks {caliper}, can measure.
Tools {carpenter's level} {torpedo level} {level tool} can find horizontal. A flat metal or plastic stick with a bubble in water can show whether surface is level.
Semicircles {protractor} marked in degrees can measure angles.
ruler or straightedge {rule as edge} {rule, tool}.
Rigid bars {ruler} can measure lengths.
Ts can make right angles {carpenter's square} {T-square} {combination square} {square, measuring}.
Levels {surveyor's level} can be on tripods.
Perpendicular straightedges {T square} can make right angles and parallel lines.
Flexible tape {measuring tape} {steel tape} {tape, measuring} can measure lengths.
Metal rules at right angles {try square} can be for drawing right angles and parallel lines.
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Date Modified: 2022.0225