harmful gases造句
These materials are now known to let out harmful gases.
They absorb harmful gases and release oxygen so that you can have clean air.
So in the production area, a good ventilated condition is needed to effectively remove harmful gases.
The study through a variety of gases on the human body, out of gas which were beneficial and which harmful gases.
The European Union takes very seriously its responsibility to cut down the harmful gases that it releases into the atmosphere.
So it is very important to detect more sensitive the harmful gases engendering in the coal mine.
Stacks for discharging waste air or harmful gases into atmosphere are in most cases headed with a canopy cowl for rainfall protection.
Article 42 Where substances that diffuse toxic or harmful gases or dust are transported, loaded or unloaded, or stored, sealing or other protective measures shall be taken.
Factories, power stations, and rehicles exhausts[1] pump harmful gases into the air, contributing to global warming, causing acid rain[2], and destroying the ozone layer.
Indoor placement of Phyllostachys orientalis, asparagus, bamboo turtle back, can absorb carbon dioxide, sulfur dioxide, formaldehyde and other harmful gases, reduce air pollution, resist microbial invasion.
Article 29. In the transportation, loading and unloading, and storage of substances that may diffuse toxic or harmful gases or dust, sealing or other protective measures must be taken.
In order to prevent the increase of damp and harmful gases, a window was designed under the front eaves of the plastic shed, so that the microclimate of the room can be controlled.
"Klinart" by the State authorities confirmed detection, can be removed within 24 hours in the air of formaldehyde, benzene, TVOC, and other toxic and harmful gases more than 95%.
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