grinding rate
51Faceting machine — A faceting machine is broadly defined as any device that allows the user to place and polish facets onto a mineral specimen. Machines can range in sophistication from primitive jamb peg machines to highly refined, and highly expensive,… …
52Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
53Workhouse — Former workhouse in Nantwich, dating from 1780 In England and Wales a workhouse, colloquially known as a …
54Dental implant — Intervention A Straumann brand root form endosseous dental implant placed in the site of the maxillary left permanent first molar with bone graft used to elevate the sinus floor …
55Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
56Diamond — This article is about the mineral. For the gemstone, see Diamond (gemstone). For other uses, including the shape ◊, see Diamond (disambiguation) …
57Dinosaur — For other uses, see Dinosaur (disambiguation). Dinosaurs Temporal range: Late Triassic–Late Cretaceous, 231.4–65.5 Ma …
58Olive oil — Not to be confused with the cartoon character Olive Oyl. Olive oil A bottle of olive oil Fat composition Saturated fats Palmitic acid: 7.5–20.0% Steari …
59Spirit rover — (MER A) Artist s concept of Rover on Mars Operator NASA Mission type Rover Launch date …
60Olive oil extraction — An olive mill and an olive press dating from Roman times in Capernaum, Israel. Olive oil extraction is the process of extracting the oil present in the olive drupes for food use. The oil is produced in the mesocarp cells, and stored in a… …
