shaft hole
1Shaft construction — concerns the building of vertical openings such as Raises and Shafts. Shafts are vertical openings used for supplying equipment, personnel, and support systems to the horizontal tunnel where the pipeline is installed. They can be temporary or… …
2hole — [n1] opening in a solid object aperture, breach, break, burrow, cave, cavern, cavity, chamber, chasm, chink, cistern, cleft, covert, crack, cranny, crater, cut, den, dent, depression, dimple, dip, excavation, eyelet, fissure, foramen, fracture,… …
3shaft — ► NOUN 1) a long, narrow part forming the handle of a tool or club, the body of a spear or arrow, or similar. 2) a ray of light or bolt of lightning. 3) a long, narrow, typically vertical hole giving access to a mine, accommodating a lift, etc.… …
4shaft — Synonyms and related words: abysm, abyss, adit, air duct, air hole, air passage, air shaft, air tube, airway, antenna tower, arch, arrow, arrowhead, baluster, balustrade, banister, bank, barb, barbican, barbule, barrel, barrow, base, beam, belfry …
5Hole punch — A hole punch (known also as a hole puncher, paper puncher, holing pincer, or rarely perforator) is a common office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder. History …
6hole — /hoʊl / (say hohl) noun 1. an opening through anything; an aperture. 2. a hollow place in a solid body or mass; a cavity: a hole in the ground. 3. a waterhole. 4. Goldmining a shaft sunk into the ground from the surface; a miner s excavation. 5.… …
7hole — I (New American Roget s College Thesaurus) n. opening, aperture, gap, cavity; excavation, hollow; slot, puncture; dungeon; cave; space. See concavity, abode, interval. II (Roget s IV) n. 1. [A perforation] Syn. notch, puncture, slot, eyelet,… …
8shaft seal — ▪ mechanics also called Oil Seal, in machinery, a device that prevents the passage of fluids along a rotating shaft. Seals are necessary when a shaft extends from a housing (enclosure) containing oil, such as a pump or a gear box.… …
9shaft — 1. Vertical, or steeply inclined, sections of a cave passage, of enormously varied size. The world’s deepest known shaft is the entrance shaft of Brezno pod Velbom on the Kanin plateau, Slovenia; it is 501m deep, with no ledges. Much debate… …
10hole — Synonyms and related words: Augean stables, Babylon, CAT, Gomorrah, Sodom, abode, abri, abysm, abyss, aerospace, aerosphere, air hole, air pocket, airspace, alveolation, alveolus, antre, antrum, aperture, area, armpit, arroyo, asylum, auger,… …
