A bone that has broken through the skin will require cleaning and possibly surgery.

Its high intensity is notoriously hard on barrels, which require constant cleaning.

In general, the bones require regular cleaning in order to maintain their white color.

Its many pieces of glass required periodic careful cleaning and alignment.

The scroll ball will eventually become clogged with dust and require cleaning.

The smaller size however may be desirable for elderly people (perhaps with grown children) as it requires less cleaning, etc.

Reuse often requires cleaning or transport, which have environmental costs.

Said his client has a painting that requires cleaning.

They told others that the battle against repeated tagging required equally frequent cleaning.

As a result, the tape heads will require occasional cleaning to remove such particles.