They are distinguished from a 'water ditch' by being lined to reduce absorption losses and to increase durability.

The new notes, made of a special polymer, were designed to increase durability and to incorporate more security features.

Additionally, there were minor redesigns of some production models to increase durability and reliability.

To increase durability, the iron engine block and cylinder head were cast as a single unit.

Although such components do not translate into increased accuracy, they do tend to increase durability.

A common ingredient is fly ash, which helps to increase the strength and durability of concrete.

He upgraded Spartan's body, greatly increasing its strength and durability.

He began lifting weights, to increase his strength and durability.

It is done to yield optimal performance, to increase an engine's power output, economy, or durability.

During the life of the car, there have been some incremental changes in various parts to increase durability.