Which pencil grades are most commonly selected for initial drawing and writing?
a. 8H or 9H c. 4H or 5H
b. 6H or 7H d. 2H or 3H
D
2H or 3H
Trades & Technology
You might also like to view...
Agriculture was not commonly taught in universities prior to the 1800s
Indicate whether the statement is true or false
Trades & Technology
This is NOT one mode of steering for an all wheel steer machine:
a. Articulated b. Crab c. Conventional d. Rear axle
Trades & Technology
High-strength low-alloy steels display high strength and toughness as well as corrosion resistance greater than those properties of carbon steels
Indicate whether the statement is true or false
Trades & Technology
For low-frequency applications, ____ oscillators are used.
A. LC B. RC C. blocking D. relaxation
Trades & Technology