to dump ballast

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• Dump truck — For other uses, see Dump truck (disambiguation). A dump truck (or, UK, dumper truck) is a truck used for transporting loose material (such as sand, gravel, or dirt) for construction. A typical dump truck is equipped with a hydraulically operated… …   Wikipedia

• Sailing ballast — Ballast is used in sailboats to provide moment to resist the lateral forces on the sail. Insufficiently ballasted boats will tend to tip, or heel, excessively in high winds. Too much heel may result in the boat capsizing. When sailing vessels… …   Wikipedia

• Track ballast — forms the trackbed upon which railroad ties (US) or railway sleepers (UK) are laid. It is packed between, below, and around the ties. It is used to facilitate drainage of water, to distribute the load from the railroad ties, and also to keep down …   Wikipedia

• Blimp — For other uses, see Blimp (disambiguation). Not to be confused with Airship or Balloon (aircraft). The Spirit of Goodyear, one of the iconic Goodyear Blimps A blimp, or non rigid airship, is a floating airship without an internal supporting… …   Wikipedia

• Osoaviakhim-1 — Crash site Accident summary Date January 30, 1934 …   Wikipedia

• environment — 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… …   Universalium

• Environmental impact of shipping — A cargo ship discharging ballast water into the sea. The environmental impact of shipping includes greenhouse gas emissions and oil pollution. Carbon dioxide emissions from shipping is currently estimated at 4 to 5 percent of the global total,… …   Wikipedia

• Regulation of ship pollution in the United States — International laws and regulationsMARPOL 73/78 is one of the most important treaties regulating pollution from ships. Six Annexes of the Convention cover the various sources of pollution from ships and provide an overarching framework for… …   Wikipedia

• List 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 …   Wikipedia

• Ship pollution — is the pollution of air and water by shipping. It is a problem that has been accelerating as trade has become increasingly globalized, posing an increasing threat to the world’s oceans and waterways as globalization continues. It is expected that …   Wikipedia

• Gliding competitions — Some of the pilots in the sport of gliding take part in gliding competitions. These are usually racing competitions, but there are also aerobatic contests and cross country distance competitions. Many other pilots enjoy flying cross country just… …   Wikipedia