He would ride across the District of Columbia on his black horse, Dan Webster, or survey the countryside from a hot-air balloon.
The first time around, there was a hot-air balloon, a lake, and a waterfall.
I had my doubts about this one—400 pages on hot-air balloons?
After all, how is it possible for Obama to be surprised by hot-air fringe addictions like Glenn Beck and Rush Limbaugh?
Yet somehow, the Nobel committee passed over these worthies; in the hot-air Olympics, America can still bring home the gold.
The hot-air system works better with compact square houses than with long, "rangy" structures.
Sometimes the cloth is placed in a hot-air chamber to hasten the drying.
hot-air balloons, winds, and heating with hot-air furnaces, all depend on this principle.
For small houses, the hot-air system is perhaps the most desirable.
Plug the open end of the glass tubing with cotton-wool, and sterilise the test-tube and its contents in the hot-air oven.