Milling 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… … Wikipedia
File cutter — File File (f[imac]l), n. [AS. fe[ o]l; akin to D. viji, OHG. f[=i]la, f[=i]hala, G. feile, Sw. fil, Dan. fiil, cf. Icel. [thorn][=e]l, Russ. pila, and Skr. pi[,c] to cut out, adorn; perh. akin to E. paint.] 1. A steel instrument, having cutting… … The Collaborative International Dictionary of English
milling cutter — n. a key machine cutter with relatively coarse pitch teeth as opposed to a rotary file cutter … Locksmith dictionary
File (tool) — A file (or hand file) is a hand tool used to shape material by cutting. A file typically takes the form of a hardened steel bar, mostly covered with a series of sharp, parallel ridges or teeth . Most files have a narrow, pointed tang at one end… … Wikipedia
Crusher — For other uses, see Crusher (disambiguation). A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more… … Wikipedia
tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
Grinding wheel — Grinding wheels A grinding wheel is an expendab … Wikipedia
insect — insectival /in sek tuy veuhl/, adj. /in sekt/, n. 1. any animal of the class Insecta, comprising small, air breathing arthropods having the body divided into three parts (head, thorax, and abdomen), and having three pairs of legs and usually two… … Universalium
Bastard file — File File (f[imac]l), n. [AS. fe[ o]l; akin to D. viji, OHG. f[=i]la, f[=i]hala, G. feile, Sw. fil, Dan. fiil, cf. Icel. [thorn][=e]l, Russ. pila, and Skr. pi[,c] to cut out, adorn; perh. akin to E. paint.] 1. A steel instrument, having cutting… … The Collaborative International Dictionary of English
Cross file — File File (f[imac]l), n. [AS. fe[ o]l; akin to D. viji, OHG. f[=i]la, f[=i]hala, G. feile, Sw. fil, Dan. fiil, cf. Icel. [thorn][=e]l, Russ. pila, and Skr. pi[,c] to cut out, adorn; perh. akin to E. paint.] 1. A steel instrument, having cutting… … The Collaborative International Dictionary of English
Cross-cut file — File File (f[imac]l), n. [AS. fe[ o]l; akin to D. viji, OHG. f[=i]la, f[=i]hala, G. feile, Sw. fil, Dan. fiil, cf. Icel. [thorn][=e]l, Russ. pila, and Skr. pi[,c] to cut out, adorn; perh. akin to E. paint.] 1. A steel instrument, having cutting… … The Collaborative International Dictionary of English