sealing joint
21Pipe (fluid conveyance) — For structural pipe, see Hollow structural section. For other uses, see Pipe (disambiguation). Steel pipes …
22Space 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 …
23Metal bellows — are elastic vessels that can be compressed when pressure is applied to the outside of the vessel, or extended under vacuum. When the pressure or vacuum is released, the bellows will return to its original shape (provided the material has not been …
24Corrugated box design — High graphics overlap box: die cut for plastic handle and locking tabs Corrugated box design is the process of matching design factors for corrugated fiberboard boxes with the functional physical, processing and end use requirements. Packaging… …
25Curtiss P-40 Warhawk — P 40 redirects here. For other uses, see P 40 (disambiguation). P 40 Warhawk Tomahawk / Kittyhawk A Hawk 87A 3 (Kittyhawk …
26environment — 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… …
27Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
28The Church of Jesus Christ of Latter-day Saints — Classification Latter Day Saint movement Theology Nontrinitarian, Mormonism Governance …
29arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …
30List of Rosario + Vampire characters — The main cast of Rosario + Vampire. From front to back: Tsukune Aono (front row); Mizore Shirayuki, Yukari Sendo, Moka Akashiya (Outer (Pink Hair) and Inner (White Hair)), and Kurumu Kurono (middle row); Ginei Morioka, Kokoa Shuzen, and Ruby Tojo …
