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 stabi
d. laminated w
e. folding
f. rails
g. straight
h. scaffold
i. spreader
j. extension ladd
k. articulated
l. lifeline
m. stepladder
n. pump jacks
(continued on next page)
carpentry & building construction instructor resource guide
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Explanation:

1. A stepladder 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 support scaffolding.
5. Brackets slide on posts to support planks on a scaffold.
6. A lifeline prevents a worker from falling more than 6 feet.
7. Rails are rungs or steps attached to vertical supports.
8. Brackets can be attached to a structure to form a scaffold platform.
9. A common folding ladder with flattened steps is a step - ladder.
10. Ladder stabilizers are bolted to the top of an extension ladder.
11. A scaffold is a raised platform for working at heights with free hands.
12. Laminated wood is used for horizontal parts of a scaffold for strength.
13. An adjustable straight ladder is an extension ladder.

Answer:

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