backup knot造句

Life-critical applications often require backup knots to maximize safety.
However, it is critical to use a strong backup knot with plenty of tail beyond the knot.
When a stopper knot is tied outside another knot and around the standing part it can also be called a "'backup knot " '.
However, it is " critical " to use a strong backup knot with plenty of tail beyond the knot, as the knot may untie during long climbs.
Sometimes, the use of a stopper knot or, even better, a backup knot can prevent the working end from passing through the knot; but if a knot is observed to slip, it is generally preferable to use a more secure knot.
It's difficult to find backup knot in a sentence. 用backup knot造句挺难的