In general, ambient or outside air will contain the

Unsafe air can be indicated by a measurement of 18.5% or less oxygen in the air.

In the case of air, ambient air often refers to outdoor air as opposed to indoor air.

The catalysts used to treat the compressed air, recirculated air and/or combined compressed and recirculated air are disposed at various stages of the air treatment systems described herein.

The air from the floor (91) will be combined with the hot air from sauna heater (3').

Air is used as the name for the gas.

Getting airflow through your house will remove stagnant air and refresh the interior air.

Feel the cool air coming in, feel the warm air going out.

Thus the casting film (69) is dried while the rectified drying air is fed out to reduce the entrained air which is generated by feeding the drying air without rectification.

The thermal storage medium is granulated by the compressed air and frozen as the air is sprayed from the spray nozzle and expanded.

Skylarks sing in the sunshine, the blue sky, the warm air, in the fresh morning light.

Hitler looked funny, Mussolini looked funny and other dictators and despots look funny.

The timer counter detects time for sending air to or sucking air from each balloon.

Hitler looked funny, Mussolini looked funny and other dictators and despots look funny.

Hitler looked funny, Mussolini looked funny, and other dictators and despots look funny.