Intelligent environment of bedroom and living-room. No odor, poisonous gas and bacteria from kitchen and toilet. No air-conditioning illness. Ensure the peace of sleep.
These chemicals can emanate certain poisonous gases.
The smoke is thick, dangerous and contains an unknown mix of poisonous gases.
portable poisonous gas monitor
But, unlike any other geyser, this one erupted with a poisonous gas.
You will hear evidence of tender infants pressed by their mothers to their bodies in the gas chambers so that they should not inhale the poisonous gas, until the executioners came and threw them alive into the furnaces or the waiting graves.
Rescuers scrambled to the mine’s head but they were stymied by a build-up of poisonous gases.
Each place gave out poisonous gas that made people faint.
When putting out a fire disaster that gives out erosive steam or poisonous gas, the firefighters should wear gas masks and other related protective articles and should operate from the windward side.
Another dangerous factor is that the water pollution including industrial wastes and poisonous gases which eventually blacken rivers and form acid rains.
Large amount of poisonous gas, coal and waste rocks badly influence the safe product for coal mine, and also cause the economic loss to our country.
More people are killed by fires' poisonous gasses than by heat.
As more and more cars are produced and used, so the emission from their exhaust-pipes contains an ever larger volume of poisonous gas.
Arsine is a colorless, poisonous gas that requires careful handling.
By building a dam instead of new coal plants to meet its growing demand for electricity, China will give off much less poisonous gases into the air.
Foul or poisonous gas that sometimes pollutes the air in coal mines.
Sulfur oxides (SOX.) are acrid, corrosive, poisonous gases produced when fuel containing sulfur is burned.
Don't stand by the road with many cars, or you will breathe in poisonous gases.
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