Site Glossary

A bubble level is a device that can measure the condition of plumb or level using a small vial filled with oil and a floatingbubble for reference

To burn an inch means to shift a tape measure over for a more accurate method of measuring. The measurement starts at 1 inch or 10 inches and expects the user to subtract that amount at the end for the true dimension

A crow’s foot is a ‘V’ shaped mark used to transfer a measurement accurately from the tape measure to the material

The fence is a raised edge on a speed square that rests against the material being marked for accurate reference.

Flush is when two surfaces or edges are in perfect alignment.

A foot is a larger standard unit of measure that is equivalent to 12 inches

A fraction is some specific part of a whole. For inches a fraction is expressed as ½, 1/4 , 1/8, or 1/16

Guide notches are aspeed square feature that assists in drawing lines that are parallel to the fence edge

The hook is the bent metal precision part at the beginning of a tape measure that represents zero

An improper fraction is one in which the numerator is greater than the denominator, (ex 5/4).