A direct marketing campaign may use multiple communications channels including mail, e-mail, phones, and face-to-face contact (See also Direct Mail Marketing) . Different channels will be selected based on the target group.
When Dr. Philip Drinker developed the iron lung in 1928, he was responding to a terrifying new disease that was causing sudden paralysis. Doctors called it poliomyelitis â or polio. The onset of the illness was sudden, with fever followed by acute paralysis.
âThe use of steam-driven bellows in blast furnaces helped ironmakers switch over from charcoal (limited in quantity) to coke, which is made from coal, in the smelting of pig iron.â âAmong the latter was the ability to power bellows with steam rather than water, which allowed foundries to move closer to their markets.â