“gas mask”造句，怎麼用gas mask造句

In a gas mask designed to guard against a biological threat, a very fine particulate filter is useful.

These will be available in a number of sizes to fit cats and dogs of all varieties, the gas mask inventor, veterinarian Rafi Kishon, said Tuesday.

A docile horse wears a gas mask, as a precaution against gas attacks, that was developed by "Our Dumb Friends League," a humane society in London, England, March 27, 1940.

An Israeli 4th grade student tries on a gas mask Israeli schoolchildren had some poignant questions for a soldier introducing them to gas masks as part of preparations for possible Iraqi missile attacks should the United States go to war in the Gulf.

He ordered the gas masks to be put on.

This gas mask can immunize you against poison gas.

Always use a gas mask when risking exposure to ammonia!

He kept out deadly fumes wearing his own gas mask and sucked water from a lava tube.

A protester with gas mask and camera participates in a standoff with a line of riot police on Bay Street during the G8 and G20 Summits Saturday June 26 2010 in Toronto Canada.

I just want to sell a moose gas masks.

But he also liked wearing a gas mask while doing so.

A Hun in a gas mask is standing over me, his rifle aimed at my head. I have no rifle. It is the end. I braced myself, but he does not fire. He lowers his rifle slowly. "Go boy," he says, waving me away with his rifle. "Go. Tommy, go."

When most people think about gas masks or respirators, what they usually envision is a tight-fitting plastic or rubber face mask with some sort of filter cartridge.

He went online and ordered a gas mask.