Question

question 12 / 20 which part of an extension ladder locks the fly section into position? select the best answer: side rails rung locks guides brackets previous question next question

Explanation:

Extension ladders use rung - locks to secure the fly section in place. Side rails support the weight, guides help with extension, and brackets are for structural support in other ways. Rung locks are specifically designed for locking the fly section.

Answer:

B. Rung Locks