guard , ***
safety ****
safety device

After a few weeks, this safety device will be forgotten by the children who continue to live as before the installation.

This safety device became mandatory, and was put into place at the start of the 2009 season.

The companies disagree over whether the bridge should have had lights and other safety devices.

In 1971 a new safety device was added to house circuits.

There is also the issue of whether to require additional safety devices inside the car.

The safety devices on the bombs had not been disabled.

"They are the most effective safety device in your car."

The type of door will determine whether it needs its own safety device.

By now, they were probably at the top of the building where the safety device would stop the elevator.

That means they are missing advanced safety devices like air bags.