two-part sealing compound
71Water fluoridation — Fluoridation does not affect the appearance, taste or smell of drinking water.[1] Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water has flu …
72Landslide mitigation — Landslides can be triggered by many often concomitant causes. In addition to shallow erosion or reduction of shear strength caused by seasonal rainfall, causes triggered by anthropic activities such as adding excessive weight above the slope,… …
73McDonnell Douglas F-4 Phantom II — F 4 redirects here. For other uses, see F4 (disambiguation). F 4 Phantom II An F 4B Phantom II of Marine fighter attack squadron VMFA 314, the Black …
74F-4 Phantom II — Infobox Aircraft name=F 4 Phantom II type=Fighter bomber national origin = United States manufacturer= McDonnell Aircraft/ McDonnell Douglas caption=F 4E from 347th TFW dropping convert|500|lb|abbr=on Mark 82 bombs designer= first flight=27 May… …
75SR-71 Blackbird — infobox Aircraft name = SR 71 Blackbird caption =An SR 71B Trainer over the Sierra Nevada Mountains of California in 1994. Note second cockpit is raised for the instructor. type = Strategic Reconnaissance manufacturer = Lockheed Skunk Works… …
76Iranian Revolution — The Iranian Revolution (mostly known as the Islamic Revolution, [http://www.iranchamber.com/history/islamic revolution/islamic revolution.php Islamicaaaa Revolution] , Iran Chamber.] [http://encarta.msn.com/encyclopedia 761588431/Islamic… …
77Thunderbolts (comics) — For other uses, see Thunderbolt (comics). Thunderbolts Promotional cover art for Thunderbolts #128, depicting the Dark Reign era formation. Art by Francesco Mattina. Publi …
78Bélmez Faces — The Bélmez Faces or the Faces of Bélmez is considered by some parapsychologists the best documented and without doubt the most important paranormal phenomenon [in the 20th] century . [ [http://www.discoverychannel.com.au/paranormal/most… …
79Heraldry — The German Hyghalmen Roll was made in the late fifteenth century and illustrates the German practice of repeating themes from the arms in the crest. (See Roll of arms) Heraldry is the profession, study, or art of creating, granting, and blazoning …
80Public-key cryptography — In an asymmetric key encryption scheme, anyone can encrypt messages using the public key, but only the holder of the paired private key can decrypt. Security depends on the secrecy of that private key …
