Post and stall.Thurl.
Print. A projection on a pattern which leaves a space in the sand for supporting a core in position.
Rammer. An implement for compacting the loam around the pattern in the flask.
Red brick-dust. Sometimes used as a parting-sand.
Riddle. A sieve to mix sand on the floor of the foundry.
Riser. An opening through a mold into which the metal rises as the mold fills, and through which more metal is poured in as the mass contracts.
Run. Said of a mold if the metal insinuates it