absorption rate. initial set 1. a degree of stiffening of a mixture of cement (or concrete or mortar) and water less than final set; generally stated as the time required for cement paste to stiffen sufficiently to resist the penetration of a weighted tes;
The usn and usmm term for a small, round, ship’s window. also used by civilians rather than port or scuttle.
access door. portico 1. a covered entrance whose roof is supported by a series of columns or piers, commonly placed at the front entrance to a building. 2. a stoa. portico-in-antis a portico that is recessed within a structure instead of projecting from t; бортовой иллюминатор, вырез;