What gave the Russian presence added durability was its concentration in the northern and central parts of Tannu Uriankhai, areas sparsely populated by the natives themselves.

Jinoko adds extra durability to Wajima-nuri items.

The new cords were enhanced to add durability, and some of the chargers built after February 5 have the new cords.

High-strength materials add durability to the forearm, buttstock and pistol grip for greater comfort and effectiveness.

Many clay products require the addition of other materials to add strength and durability.

Many MMDBs have added durability via the following mechanisms:

In part to add strength and durability, Lincecum put on about 15 pounds prior to the season.

A forged crankshaft, lighter pistons, and strengthened connecting rods add durability.

The vinyl coating on the fibers give the material added strength and durability.

Heavy steel construction retains heat and adds durability.