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Mach.a vertical, arc-shaped member fixed to the end of a walking beam, for supporting a chain from which a pump rod or the like is suspended in such a way as to let it rise and fall vertically.
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Universalium. 2010.
arch head
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arch head — Mach. a vertical, arc shaped member fixed to the end of a walking beam, for supporting a chain from which a pump rod or the like is suspended in such a way as to let it rise and fall vertically … Useful english dictionary
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Head (Unix) — head est une commande UNIX qui permet d afficher les premières lignes de texte d un fichier ou de l entrée standard. La syntaxe de cette commande est la suivante : head [options] <fichier> Par défaut, head affiche les 10 premières… … Wikipédia en Français
head — [adj] most important; chief arch, champion, first, foremost, front, highest, leading, main, pioneer, preeminent, premier, prime, principal, stellar, supreme, topmost; concepts 568,574 Ant. auxiliary, inferior, lower, second, secondary, trivial,… … New thesaurus
head|hunt — «HEHD HUHNT», verb, noun. Informal. –v.i., v.t. to recruit executives for a business: »Arch was headhunting…to fill vacancies in a firm (London Times). –n. an instance of headhunting … Useful english dictionary
head|room — «HEHD ROOM, RUM», noun. clear space overhead, such as that in a doorway, under an arch, or in an automobile; headway: »You get more headroom, leg room and more visibility (Wall Street Journal) … Useful english dictionary
head|way — «HEHD WAY», noun. 1. motion forward or ahead; progress: »The ship could make no headway against the strong wind and tide. 2. Figurative. progress with work or other activity; advance: »Science has made much headway in fighting disease. 3. a clear … Useful english dictionary
Arch of Galerius and Rotunda — The Arch of Galerius and the Rotunda with its minaret, c. 299 303 CE The Arch of Galerius (Gr.: αψίδα του Γαλερίου)(or Kamara, Gr.:καμάρα) and the Rotunda (ροτόντα) are neighboring early 4th century monuments in the city of Thessaloniki, in the… … Wikipedia
