Across
- 2. a plumb ________ consists of a pointed weight attached to a string
- 4. perfectly vertical, meaning a surface is at a right angle to the horizon
- 6. When using a laser measuring tool it may be difficult to take accurate measurements in very hot or __________ environment
- 9. ____________ squares are useful because they can make 90 degree and 45 degree angles
- 10. A ___________ is a tool used to determine how close a surface is to a true horizontal plane (level) or vertical plane(Plumb)
Down
- 1. a _________ level usually has a magnetic base making it useful for pipefitting work
- 3. having a shape that curves inward, such as the interior of a circle
- 5. never look directly into a laser _________ or its source. Serious and permanent eye injury can result
- 7. Chalk lines are used to mark long, straight _____________ on smooth surfaces
- 8. Like a tape measure a _________ rule can also have special marks at the 16" 19.2" and 24"
- 9. a __________ line can also be used as a plumb bob
- 11. A ___________ measuring tool is a battery powered, electronic version of a tape measure