guard against debris
41Rescue and recovery effort after the September 11 attacks — The area surrounding the World Trade Center became the site of the greatest number of casualties and missing, due to a single incident, in the history of the United States. This region became known in the ensuing days as ground zero .Building… …
42List of violent spectator incidents in sports — This list of violent spectator incidents in sports includes events in which a spectator at a sporting event was engaged in a violent confrontation with an athlete, coach or game official, either through the spectator s intrusion upon the field of …
43Witness accounts of the Roswell UFO incident — Follows are excerpts of witness accounts of the Roswell UFO incident.In 1978, author Stanton T. Friedman interviewed Jesse Marcel, who voiced his suspicion that debris he recovered on a ranch near Roswell in 1947 was not of this world. Over the… …
44List 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 …
45environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
46List of pipeline accidents — The following is a list of pipeline accidents: This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. Contents 1 Bel …
47Company C, 52d Infantry Regiment (Anti-Tank) — Company C, 52d Infantry Regiment Active 15 May 1917 – 1 September 1921 15 July 1942 – 13 …
48Louisiana — This article is about the U.S. state of Louisiana. For other uses, see Louisiana (disambiguation). State of Louisiana État de Louisiane Léta de la Lwizyàn …
49September 11 attacks — September 11 attacks …
50Space Shuttle Challenger disaster — For more information about the final mission and crew of the Challenger, see STS 51 L. Space Shuttle Challenger s smoke plume after the in flight breakup that killed all seven crew members …
