durability
61Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
62Polymer — Appearance of real linear polymer chains as recorded using an atomic force microscope on surface under liquid medium. Chain contour length for this polymer is 204 nm; thickness is 0.4 nm.[1] A polymer is a large molecule (macromolecule …
63Turquoise — For other uses, see Turquoise (disambiguation). Turquoise Turquoise (tumble finished) one inch (25 mm) long. This pebble is greenish and therefore low grade General …
64Tippmann — Sports LLC Type LLC Industry Paintball Pneumatic Sewing Machines Industrial Founded Fort …
65Engine cooling — is cooling an engine, typically using either air or liquid.OverviewHeat engines generate mechanical power by extracting energy from heat flows, much as a water wheel extracts mechanical power from a flow of mass falling through a distance.… …
66Economy car — An economy car is an automobile that is designed for low cost operation. They are designed for drivers who use their car primarily for personal transportation. The best of these cars are not merely cheapened or miniaturised versions of a… …
67Chevrolet Vega — 1972 Chevrolet Vega GT Hatchback Coupe Manufacturer Chevrolet Division of General Motors Also called Vega 2300 …
68Nova (comics) — For the Herald of Galactus, see Nova (Frankie Raye). Nova Promotional cover art to Nova #1 (2007). Art by Adi Granov. Publication information …
69Dental amalgam controversy — Dental amalgam filling The dental amalgam controversy refers to the conflicting views over the use of amalgam as a filling material mainly because it contains the element mercury. The concern centers on the health effects of toxicity or allergy… …
70Army Combat Uniform — The Army Combat Uniform (ACU) is the current combat uniform worn by the United States Army. It is the successor to the Battle Dress Uniform (BDU) and Desert Camouflage Uniform (DCU) worn during the 1980s and 1990s. [… …
