Guardrails should be installed along all open sides and ends of scaffolding before use. a. false b. true

The statement is True.

Explanation:

Scaffolding is an elevated platform which is built temporarily during the construction, repairing or maintenance of buildings, plants, etc. Guardrails are used to cover the open sides of the elevated platform to protect the people from falling down. In this way, guardrails are also used to protect the material from falling down. There is a standard size for guardrails. They should be minimum 36 inches in height. Desired height of guardrails is 42 inches plus/minus 3 inches.  

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answer; communities of interest; i believe this is correct, plz check first good luck;