vertical riser
61Compound bow — A Browning Compound Bow A compound bow is a modern bow that uses a levering system, usually of cables and pulleys, to bend the limbs. The limbs of a compound bow are much stiffer than those of a recurve bow or longbow. This limb stiffness makes… …
62Forklift truck — A forklift (also called a lift truck, a high/low, a stacker truck, or a sideloader) is a powered industrial truck used to lift and transport materials. The modern forklift was developed in the 1920s by various companies including the transmission …
63Ocean Ranger — drilling in Cook Inlet, Alaska. Career Name: Ocean Ranger Owner …
64Standpipe (firefighting) — For other uses, see Standpipe (disambiguation). External access point for fire sprinkler and dry standpipe at a building in San Francisco, United States. In North America, a standpipe is a type of rigid water piping which is built into multi… …
65Kelp forest — Kelp forests are underwater areas with a high density of kelp. They are recognized as one of the most productive and dynamic ecosystems on Earth.Mann, K.H. 1973. Seaweeds: their productivity and strategy for growth. Science 182: 975 981.] Kelp… …
66Christmas tree (oil well) — Oil well Christmas tree In petroleum and natural gas extraction, a Christmas tree, or tree , (not wellhead as sometimes incorrectly referred to) is an assembly of valves, spools, and fittings used for an oil well, gas well, water injection well,… …
67MetroWest Water Supply Tunnel — Official name MWWST Begins Marlborough Ends Weston Maintained by MWRA …
68Coiled tubing — In the oil and gas industries, coiled tubing refers to metal piping, normally 1 to 3.25 in diameter, used for interventions in oil and gas wells and sometimes as production tubing in depleted gas wells, which comes spooled on a large reel. Coiled …
69petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
70Offshore oil spill prevention and response — Inspector on offshore oil drilling rig Offshore oil spill prevention and response is the study and practice of reducing the number of offshore incidents that release oil or hazardous substances into the environment and limiting the amount… …
