Herbs that lose their scent in open air, such as saffron and cardamom, are kept in closed containers.
Hoarfrost, deposit of ice crystals on objects exposed to the free air, such as grass blades, tree branches, or leaves.
Some cities already have measures in place intended to reduce congestion and clean up the air, such as low-emission zones that involve traffic restrictions.
The gunfire clearly appeared to have been aimed directly into the crowd, and not into the air such as in an effort to disperse rioters, Mr. Lowy said.
Not shown in the photographs on display were the technical, cultural and organizational gymnastics involved in getting KUYI on the air, such as the positioning of the antenna.
While power tools are generally driven by electricity, the category also includes small pneumatic tools driven by compressed air, such as air impact wrenches and hammers.
(Testing had ruled out an airborne toxic event; there was nothing unusual in the air, such as, say, benzoic acid, which apparently can give off a maple-syrup odor).
On the other hand, when sunlight passes through a long column of air, such as at sunrise or sunset, the high-frequency components are selectively scattered out of the beam and the remaining light appears reddish.
When foods containing trapped air, such as leafy vegetables, are canned, the air must be removed from the cans prior to closing and sealing the lids by a process called exhausting.
The basic method of soaring, called thermaling, is to find and use rising currents of warm air, such as those above a sunlit field of ripened grain, to lift the glider.
It gives to mankind, to ourselves, poor mortals who have not yet left the ground, a sensation of mastery over the air such as we have not yet felt".
