Mixing was done in open vats like large domestic food mixers.
Some types of strained yogurts are boiled in open vats first, so that the liquid content is reduced.
Howell has likened this practice to shipping wine overseas "in open vats".
A track of flame moved back toward the open vat.
In an open vat, the carbon dioxide escapes into the air.
And all the time the girl's steaming stale sprats in an open vat - you can imagine the stink.
Behind him was the huge open vat of corrosive acid below the rear wall.
There was no way for The Shadow to escape, except backward to the death that fumed in the open vat.
Food technologists came up with alternative cooking systems decades ago for use on ships, where open vats of grease were too hazardous.
Ambient wild yeast are used for fermentation, which takes place in open wooden vats.