| Term | Definition |
| easy to read | a measuring tool must be accurate and |
| flat steel rule | the simplest and most common measuring tool is the |
| inch marks | one side of a steel rule is divided into 32 and 64 spaces to the inch, and the other side shows |
| a hook at the end of the tape | steel measuring tapes are usually wound into metal cases and have |
| vertical distance | because of its stiffness, a folding rule is better than a cloth or steel tape for measuring |
| horizontal surface | when determining whether a surface is level, you gauge the |
| vertical surface | when determining whether a surface is plumb, you gauge the |
| spirit level | the instrument that has three vials and is used to find out if a surface is level or plumb is called a |
| plumb | the two end vials in a spirit level measure |
| is centered between the lines | when using a spirit level, you know that an object is level if the air bubble |
| measuring | squares are used for marking, checking and |
| squaring up sections of work | the carpenter's square is used mainly for |
| 90 degree | the try square is a fixed ____ angle |
| check level and plumb surfaces | a combination square can be used to test work for squareness, measure lengths, widths and angles and |
| using the square for prying or hammering | all of the following are appropriate when using squares except |
| the force of gravity | a plumb bob uses _____ to make a line hang vertical |
| vertical | when something is plumb it is |
| wind | when using a plumb bob outside, remember that ______ may affect the plumb bob |
| vertical | when a plumb bob hangs freely, its string is |
| point | a plumb bob will be damaged if you drop it on its |