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Académie
Garage Door Technician
Garage Door Safety & Code Certification (Canada)
Spring System Safety & Hazards
Vérification des connaissances
Spring System Safety & Hazards
Vérification des connaissances
Vérification des connaissances
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What is the primary purpose of a safety cable in an extension spring system?
A
To contain broken spring pieces if the spring fails
B
To help balance the door weight
C
To reduce noise during door operation
D
To increase the lifting capacity of the spring
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