A bolt used to secure a roof in place.

A type of fastener in construction.

निर्माण में एक प्रकार का फास्टनर।

English Usage: "During the inspection, they found several roof bolts were loose."

Hindi Usage: "निरीक्षण के दौरान, उन्हें कई छत बोल्ट ढीले मिले।"