As an industrial process, making bricks is simple enough. Quarried clay comes along moving belts from clay pits, goes into hammer mills and screening towers, where it's then thumped and shaken down into a damp powder. Then, depending on the kind of brick you want to make the powdered clay might be mixed with a pigment or sand to give it different colours and textures. A machine stamps the powder into "green" bricks which are stacked then placed in the heating chambers of the Hoffman kiln. The chamber is walled up with a 'wicket' of loose bricks rendered with a kind of mortar called pug.
The job of walling up the wicket is performed by the 'Wicket Men'.
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