notch-impact strength
71Arc welding — uses a welding power supply to create an electric arc between an electrode and the base material to melt the metals at the welding point. They can use either direct (DC) or alternating (AC) current, and consumable or non consumable electrodes.… …
72German nuclear energy project — Germany nuclear energy project The German experimental nuclear pile at Haigerloch. Active …
73Billhook — The billhook is a traditional cutting tool used mainly in European agriculture and forestry, but also common in other parts of the world where it was introduced by European settlers. It is used for cutting smaller woody material such as shrubs… …
74Walther P22 — Infobox Weapon name=Walther P22 caption=Walther P22 origin=flag|Germany type=Semi automatic pistol is ranged=yes design date= manufacturer=Carl Walther GmbH production date= variants=P22 Target weight=g to oz| 430|abbr=on|precision=1|wiki=yes… …
75Colt Army Model 1860 — Type Revolver Place of origin …
76Outpost Harry — Part of the Korean War Date June 10–18, 1953 Location …
77Bulls-Pistons rivalry — The Bulls Pistons rivalry originated in the 1970 s and was most intense in the late 1980s early 1990 s, a period when the Bulls superstar, Michael Jordan, was evolving into one of the league s best players and when the Detroit Pistons were… …
78passeriform — /pas euhr euh fawrm , peuh ser euh /, adj. of or pertaining to the order Passeriformes; passerine. [ < NL Passeriformes, equiv. to L passer sparrow + iformes IFORMES] * * * ▪ bird Introduction also called passerine or perching bird any… …
79Pulse — The rhythmic dilation of an artery resulting from beating of the heart. It is often measured by feeling the arteries of the wrist. * * * Rhythmic dilation of an artery, produced by the increased volume of blood thrown into the vessel by the… …
80ROKS Cheonan sinking — Four photos show damage to the ROKS Cheonan clockwise from upper left: (1) stack damage; (2) front portion (port side) showing the break point; (3) water pressure marks on the hull bottom; (4) a large fragment is lifted from the sea. Date 26… …
