Most commonly, the continuously linked backbone of a polymer used for the preparation of plastics consists mainly of carbon atoms. A simple example is polyethylene ('polythene' in British English), whose repeating unit is based on ethylene monomer.
Acura MDX. The Acura MDX, or Honda MDX as known in Japan and Australia (only the first generation was imported), is a mid-size three-row luxury crossover, produced by the Japanese automaker Honda under its Acura luxury nameplate since 2000. The alphanumeric moniker stands for Multi-Dimensional luxury.
In 2003, the Honda MDX went on sale in Japan and Australia. The MDX has been the most expensive crossover in Acura's lineup, except for the 2009-13 model years when Acura added a crossover to slot above the MDX, called the ZDX.he MDX was introduced as a 2001 model, replacing the slow-selling U.S. -only body-on-frame SLX, based on the Isuzu Trooper. In Japan, it filled a gap when the Honda Horizon (also based on the Trooper) was discontinued in 1999.