The top rail of scaffolding should be at least _____.
a. 24" high
b. 36" high
c. 42" high
d. 48" high
c. 42" high
Trades & Technology
You might also like to view...
As cities grew, heavy or ____________________ horses were used to haul cargo, distribute goods produced in urban factories, and pull wagons that advertised a business's product.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
Orchids produce a structure analogous to true bulbs. These are called ________.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
What six nutrients does milk contain?
What will be an ideal response?
Trades & Technology
Research will show that Moore’s Law suggests a doubling of transistor count per IC occurs every one to 1½ years as the semiconductor industry improved its manufacturing techniques.
What will be an ideal response?
Trades & Technology