bathtub
A tub for bathing, usually a fixed plumbing installation designed for one person.
A window with its lower edge cut diagonally rather than horizontally so as to fit an arch or rake below;
An operating installation of equipment including batchers and mixers as required for batching or for batching and mixing concrete materials;
A machine that mixes grout, mortar, or concrete in batches in contrast to one that mixes continuously.