The books were all covered by glass to prevent theft.

In addition, they were to prevent theft of vegetables or other produce.

What are your best tips for preventing theft while you travel?

The object is to prevent theft by making it hard to get at the security device inside.

Some police departments try hard to prevent theft of construction equipment.

Many casinos take security measures to prevent theft and other crime.

This 2- or 3-tier security will, in most cases, prevent home invasions and theft.

The islanders slept there also, in part to prevent theft.

When putting bags down, place one foot through the arm straps to prevent theft.