Question

directions: match each item to the statement or sentence listed below
column i

1. type of ladder that is self - supporting and is used primarily indoors for low and intermediate heights
2. type of ladder used primarily outdoors where greater heights must be reached.
3. holds the stepladder open and prevents it from accidentally closing.
4. a portable metal frame designed specifically to support scaffolding
5. metal devices that slide up and down on a wood or aluminum post to support horizontal planks used on a scaffold.
6. a rope intended to prevent a worker from falling more than 6 feet.
7. rungs or steps attached to vertical supports
8. can be attached to the frame of a structure to allow scaffold planks to form a platform.
9. a common type of folding ladder that has flattened steps instead of rungs.
10. bolted to the top of an extension ladder to steady the top and prevent slipping
11. a raised platform that is used for working at heights safely with both hands free
12. horizontal parts of a scaffold used because of their quality and extra strength
13. straight ladder that can be adjusted to various lengths

column ii
a. trestle
b. brackets
c. ladder stabilizer
d. laminated wood planks
e. folding
f. rails
g. straight
h. scaffold
i. spreader
j. extension ladder
k. articulated
l. lifeline
m. stepladder
n. pump jacks

Explanation:

1. A step - ladder is self - supporting and used indoors for low and intermediate heights.
2. Extension ladders are used outdoors for greater heights.
3. Spreaders hold a stepladder open.
4. Trestles are portable metal frames for scaffold support.
5. Brackets slide on posts to support scaffold planks.
6. Lifelines prevent workers from falling more than 6 feet.
7. Rungs are steps attached to vertical supports.
8. Brackets can be attached to structures for scaffold planks.
9. Step - ladders are a type of folding ladder with flattened steps.
10. Ladder stabilizers are bolted to extension ladders.
11. Scaffolds are raised platforms for working at heights.
12. Laminated wood planks are strong horizontal scaffold parts.
13. Extension ladders are straight and adjustable in length.

Answer:

1. m. stepladder
2. J. extension ladder
3. i. spreader
4. a. trestle
5. b. brackets
6. L. lifeline
7. f. rungs
8. b. brackets
9. m. stepladder
10. c. ladder stabilizer
11. h. scaffold
12. d. laminated wood planks
13. J. extension ladder