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Ladle . . . Metal receptacle frequently lined with refractories used for transporting and pouring molten metal. Types include hand, bull, crane, bottom-pour, holding, teapot, shank, lip-pour.

Ladle, Bottom-Pour ... Ladle from which metal, usually steel, flows through a nozzle in the bottom.

Ladle, Bull . . . A large ladle for carrying molten metal. Frequently used to designate a transfer ladle.

Ladle, Lip-Pour . . . Ladle in which the metal is poured over a lip, much as water is poured out of a bucket.

Ladle, Teapot . . . A ladle in which, by means of an external spout, metal is removed from the bottom rather than the too of the ladle.

Lance, Oxygen . . . A device, consisting of steel pipe, tubing, oxygen source and controls which uses the heat of burning steel pipe for melting. Frequently used to open frozen tap or slag holes.

Lining ... Inside refractory layer of firebrick, clay, sand or other material in a furnace or ladle.

Lining, Monolithic . . . A lining made without the customary layers and joints of a brick wall. Usually made by tamping or casting refractory material into place, drying, and then burning in place on the job.

Loose Piece ... 1) Core box: part of the core box which remains embedded in the core and is removed after lifting off the core box. 2) Pattern: laterally projecting part of a ' pattern so attached that it remains in the mold until the body of the pattern is drawn. Back-draft is avoided by this means. 3) Permanent mold: part which remains on the casting and is removed after the casting is ejected from the mold.