Explanatory notes
… other liquids and would include, inter alia , certain snow-boots, galoshes, overshoes and ski-boots. Footwear remains … the walls of the mould; the excess material escapes through vents. The material then vulcanises (rubber) or gels … (and sometimes calendered) into the shape of the various parts of the outer sole and upper (i.e., vamps, quarters, …