Water that has been boiled for any length of time is flat from the loss of its gases.

Make a hole in the middle of the paste to let the gases from the meat escape.

Make a hole in the middle of the crust for the gases to escape.

All such outfits have means of regulating the pressures of the gases used.

The gases are sent through a mixing valve to the burning tip.

(c) The small holes in the vents must be kept free for the escape of the gases.

For a moment the gases which filled the chambers were overpowering.

I give one jump out of bed and felt the gases, but they was all right.

These two compounds are gases and are formed in the distillation of wood and bones.

The gases resulting from the decomposition of the water collect in the tubes.