Which of the following are the basic types of scaffolds?
A. Double scaffold, Steel scaffold and Tower scaffold
B. Tower scaffold, Cantilever scaffold and Patented scaffold
C. Tower scaffold, Cantilever scaffold and Mechanical Aid
D. Double scaffold, Steel scaffold and Mechanical Aid
Answer:C
Which of the following are the basic types of scaffolds?
A. Double scaffold, Steel scaffold and Tower scaffold B. Tower scaffold, Cantilever scaffold and Patented scaffold C. Tower scaffold, Cantilever scaffold and Mechanical Aid D. Double scaffold, Steel scaffold and Mechanical Aid