make a hole with a pencil
71building 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… …
72Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… …
73Caddy — In golf, a caddy (or caddie) is the person who carries a player s bag, and gives insightful advice and moral support. A good caddy is aware of the challenges and obstacles of the golf course being played, along with the best strategy in playing… …
74Mary Rose — For later ships with the same name, see HMS Mary Rose. For the play by J.M. Barrie, see Mary Rose (play). The remnants of the Mary Rose undergoing conservation in Portsmouth …
75Mal Evans — For other people of the same name, see Malcolm Evans (disambiguation). Mal Evans (photo by Linda McCartney) Born Malcolm Frederick Evans 27 May 1935(1935 05 27) …
76Charles Peace — Charles Frederick Peace (14 May 1832 – 25 February 1879) was a notorious English burglar and murderer from Sheffield, whose somewhat remarkable life later spawned dozens of romanticised novels and films. Peace is mentioned by name in the Sherlock …
77List of Doctor Who items — This is a list of items from the BBC television series Doctor Who. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0–9 …
78Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… …
79Lead — (pronEng|ˈlɛd) is a main group element with a symbol Pb ( la. plumbum). Lead has the atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish white color when freshly cut, but… …
80F-number — In optics, the f number (sometimes called focal ratio, f ratio, or relative aperture [Smith, Warren Modern Lens Design 2005 McGraw Hill] ) of an optical system expresses the diameter of the entrance pupil in terms of the focal length of the lens; …
