It helps to think of the process as similar to a gas-liquid absorption column.

Soon they could all see similar columns of smoke going up in every direction.

Geoffrion also quit a similar column he had been writing.

A small number of Roman examples of similar columns are known.

At the sides, five bays have similar columns, beyond which the building is plainer, in yellow brick and stone.

Four similar columns support a second skylight over a sitting area.

There are similar columns on these floors in the second and tenth bays.

He also wrote a similar column for The Oldie.

Other major cities have similar columns in Craigslist and their own local media.

The corner house had a long top-floor porch with similar columns, running most of the way along West End.