Usa "safety device" in una frase

1. “I know,” said Gary, “The only safety device is that pressure disc fitted at the top of the casing

2. safety device, then carefully and deliberately he raised his rifle and shot the

3. clearly showed that there was no guardrail or other safety device to prevent a

4. A GFCI outlet is a safety device that will

5. The station had lots of safety devices built in, but that storm had enough power to do just about anything it wanted to

6. “You said they had lots of safety devices built in

7. Then remove the base cap to expose a short string and a safety pin, or other safety device