| A | B |
|---|
| biofeedback | control of physical conditions through mental concentration |
| cryogenic | the production of very low temperatures |
| freeze-drying | involves freezing food and removing water content |
| genetic engineering | studying and controlling the genetic makeup of organisms |
| microsurgery | surgery through the use of laser beams and microscopes |
| fiber optics | transmitting messages and images through light-conducting glass fibers |
| satellite transmission | relaying and/or transmitting communication signals by satellites |
| telecommunications | voice and data transmission over public network telephone lines |
| videoconferencing | a conference people in different places using telephones, televisions, and computers |
| infrastructure | the underlying foundation of a community (roads, bridges, electricity) |
| prefabrication | the manufacturing of sections buildings at a factory, with completion at the building site |
| urban planner | a person who plans, organizes and monitors development plans |
| urban renewal | the rebirth of decaying inner cities through repair and reconstruction |
| integrated circuits | the circuits on a computer chip in which the different functional components are created simultaneously |
| laser | a beam of pure light energy |
| microprocessor | a tiny silicon wafer that acts as the "brains " of the computer |
| oscilloscope | an instrument that shows electrical or sound waves as lines on a screen |
| superconductor | conducts electricity with little or no resistance, allowing a small device to carry huge amounts of power without burning or exploding |
| automation | the use of automatic equipment and robots |
| quality control | the inspecting and testing of products to ensure that manufacturing standards are met |
