Perhaps the coolest thing about this drive is that it has no protective cap to lose.

At the ends of each chromosome is a protective cap called a telomere.

Hertz held up the syringe and removed the protective cap.

Keep the protective cap on the nasal spray until you are ready to use it.

After each use, wipe the spray tip with a clean tissue and replace the protective cap.

Remove the protective cap and press them into your thigh about four inches above your knee.

He did the same with the protective cap that had been on the syringe.

Sara took the bottle of medicine and snapped off the protective cap.

Keep the protective cap on the nasal inhaler when not in use.

They had been shipped without the protective caps that block them from being set off, the board said.