What term describes a guardrail system

The ( Fall Protection in Construction ) is the term which relates to these mechanisms , i.e , guardrail system, a positioning system and a personal fall arrest system.

Explanation:

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The ( Fall Protection in Construction ) is the term which relates to these mechanisms , i.e , guardrail system, a positioning system and a personal fall arrest system.

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import math

x=int(input("enter a number: "))

print (math.sqrt(math.fabs(