concave head bolt
21Trench warfare — is a form of warfare where both combatants have fortified positions and fighting lines are static. Trench warfare arose when a revolution in firepower was not matched by similar advances in mobility. The result was a slow and grueling form of… …
22Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… …
23Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
24Curling — Highest governing body World Curling Federation N …
25Chisel — This article is about the tool. For the American band, see Chisel (band). For the album by Australian band Cold Chisel, see Chisel (album). Steel woodworking chisel …
26Citroën 2CV — Manufacturer Citroën Production 1948–1990 [1] …
27Grinding wheel — Grinding wheels A grinding wheel is an expendab …
28Set — (s[e^]t), a. 1. Fixed in position; immovable; rigid; as, a set line; a set countenance. [1913 Webster] 2. Firm; unchanging; obstinate; as, set opinions or prejudices. [1913 Webster] 3. Regular; uniform; formal; as, a set discourse; a set battle.… …
29Set hammer — Set Set (s[e^]t), a. 1. Fixed in position; immovable; rigid; as, a set line; a set countenance. [1913 Webster] 2. Firm; unchanging; obstinate; as, set opinions or prejudices. [1913 Webster] 3. Regular; uniform; formal; as, a set discourse; a set… …
30Set line — Set Set (s[e^]t), a. 1. Fixed in position; immovable; rigid; as, a set line; a set countenance. [1913 Webster] 2. Firm; unchanging; obstinate; as, set opinions or prejudices. [1913 Webster] 3. Regular; uniform; formal; as, a set discourse; a set… …
