| • boundary friction theory | |
| सीमांत: fringe margin border frontier the frontier | |
| घर्षण: friction grinding grind abrasion polishing abrade | |
| सिद्धांत: doctrine principle Maxim rule motto outlines | |
सीमांत घर्षण सिद्धांत in English
[ simamta gharsan sidhamta ] sound:
