make a hole with a pencil
41motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
42Leo Frank — Lucille and Leo Frank at Frank s trial Born Leo Max Frank April 17, 1884(1884 04 17) Cuero, Texas …
43List of British words not widely used in the United States — Differences between American and British English American English …
44printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
45Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
46Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… …
47E6B — pilots will still carry and use these Flight Computers. These flight computers are used during flight planning (on the ground before takeoff) to aid in calculating fuel burn, wind correction, time en route, and other items. In the air, the flight …
48List of Atomic Betty characters — This is a list of characters from the animated television series Atomic Betty. Contents 1 Main characters 1.1 Atomic Betty/ Betty Barrett 1.2 Sparky 1.3 Robot X 5 …
49John F. Kennedy autopsy — The autopsy of President John F. Kennedy was performed, beginning at about 8 p.m. and ending at about midnight EST, on Nov. 22, 1963, the day of his assassination, at the then Bethesda Naval Hospital in Bethesda, Maryland. The choice of autopsy… …
50optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
