Face shields and goggles:

Question

Face shields and goggles, being made of plastic, will develop scratches and become brittle as they age. Replace them regularly to ensure maximum protection and comfort.

Accepted Answer

Will develop scratches and become brittle, requiring regular replacement.

Answer

Will likely never need to be replaced.

Answer

Should be made of breakable materials so they can break away in the event of a crash.

Answer

Should not allow air to pass through.