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On drawings, abbr. for book shelves

In military architecture, a pair of defensive ditches and earth embankments, usually concentric, that surround a mound or medieval fort.

A dark-colored varnish (either of the oil or spirit type) that contains bituminous ingredients.

A low-cost paint containing asphalt or coal tar, a thinner, and drying oils; used to waterproof concrete and to protect

Any pavement, having asphalt as the binder, which is laid while hot.

A mixture of bituminous material and aggregate such as sand; liquefies when heated; suitable for pouring in joints or cracks

A suspension of minute globules of bituminous material in water (or of minute globules of water in a liquid bituminous