indicator hole
71Alidade — An alidade (archaic forms include alhidade, alhidad, alidad) is a device that allows one to sight a distant object and use the line of sight to perform a task. This task can be, for example, to draw a line on a plane table in the direction of the …
72Ingleborough — Infobox Mountain Name = Ingleborough Photo = Ingleborough whole.jpg Caption = The whole of Ingleborough as seen from the peat bog below Elevation = 723 m (2373 ft) Location = Yorkshire Dales, England Range = Prominence = c. 427 m Parent peak =… …
73List of Deadliest Catch episodes — This is a list of Deadliest Catch episodes with original airdate on Discovery Channel. Airdates on Discovery Channel Canada generally differ. Contents 1 Pilot 2 Season 1 3 Season 2 4 Season 3 …
74Soldering — 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… …
75Blivet — This blivet portrays two irreconcilable perspectives at once: descending from the top are two bars with rectangular cross section, while ascending from the bottom are three cylindrical rods …
76Ovulation — is the process in a female s menstrual cycle by which a mature ovarian follicle ruptures and discharges an ovum (also known as an oocyte, female gamete, or casually, an egg). Ovulation also occurs in the estrous cycle of other female mammals,… …
77Electronic voting — Election technology Certification of voting machines Independent Testing Authority (ITA) NVLAP VVSG End to end auditable voting systems Help America Vote Act Independent verific …
78PTH — can refer to: *Parathyroid hormone *Pin through hole, mounting scheme used in electronics with component leads inserted through drilled holes *Plated through hole, used in electronics to connect layers with plated through hole vias *Polskie… …
79Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
80Messier 74 — Observation data (J2000 epoch) Constellation Pisces …
