Intermittent infusion is used when a patient requires medications only at certain times, and does not require additional fluid. It can use the same techniques as an intravenous drip (pump or gravity drip), but after the complete dose of medication has been given, the tubing is disconnected from the IV access device.
The Air Max 90 has become quite the icon since itâs debut in, er, 1990. It was the second running shoe created by architect-turned-trainer-designer (sure) Tinker Hatfield, displaying itâs air bags for all and sundry to see (a bit like the Le Blow gals on a night out).
1 1902 Willis Haviland Carrier invented the first air conditioner to control the temperature and humidity of a printing company, marking the first time effort taken to control the temperature of the surroundings. 2  This starts the history of air conditioning. 1913 The first international refrigeration expo is held in Chicago. 2  1928 The discovery of Freon refrigerant by Thomas Midgley, Jr. 3  1930 The White House is air-conditioned. 4  1946 The demand for room air conditioners began to increase with more than 30,000 units produced on this year.