My mind had nothing in it but hot vapour, and vapour-filled bubbles frothed and eddied round a vortex of lazy fancy, aimless and unmeaning.

Fluorescent lights, which consist of tubes filled with mercury vapour, are roughly four times more efficient.

Close shot of subject tree stone, mountains gradually into the clouds, the glaze of white, filled the mountain stream gurgling vision water vapour and clouds are dense.