pan-head screw
41building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
42panhead — ˈ ̷ ̷ˌ ̷ ̷ noun : a head of a rivet or bolt shaped like an inverted cooking pan • panheaded ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ adjective * * * panheaded, adj. /pan hed /, n. a rivet or screw head having the form of a truncated cone. [1865 70; PAN1 + HEAD] …
43Russian roulette — ( ru. Русская рулетка) is a potentially lethal game of chance in which participants place a single round in a revolver, spin the cylinder, place the muzzle against their head and pull the trigger. Russian refers to the country of origin of the… …
44Africa — For other uses, see Africa (disambiguation). Africa Africa Area …
45Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly …
46List of shipwrecks — Contents 1 Africa 1.1 East Africa 1.2 North Africa 1.2.1 Algeria …
47Spray (sailing vessel) — The S.V. Spray was the vessel rebuilt by Joshua Slocum and used in his successful attempt to circumnavigate the world single handedly, the first voyage of its kind. The Spray was a convert|36|ft|9|in|m|sing=on sloop rigged fishing boat refitted… …
48Wikipedia:Featured article candidates — Here, we determine which articles are to be featured articles (FAs). FAs exemplify Wikipedia s very best work and satisfy the FA criteria. All editors are welcome to review nominations; please see the review FAQ. Before nominating an article,… …
49er — er·i·an·thus; er·ic; er·i·ca; er·i·ca·ce·ae; er·i·cad; er·i·ca·les; er·i·ce·tal; er·i·ce·tic·o·lous; er·i·coid; er·i·co·phyte; erig·er·on; er·i·glos·sa; er·ik·ite; er·i·na·ceous; er·i·na·ceus; er·in·ite; er·i·nose; er·i·o·bot·rya;… …
50Stage lighting — Modern stage lighting is a flexible tool in the production of theatre, dance, opera and other performance arts. Several different types of stage lighting instruments are used in the pursuit of the various principles or goals of lighting.… …
