examples of Tall organisations include your mum and hungry jacks :)
If we consider the friction or screw jacks used to lift a vehicle to change a flat, almost all of those are made entirely of metal (steel). In the case of hydraulic jacks, they are made largely of steel, and have rubber for seals and hydraulic fluid to provide the media to perform the hydraulic work.
Jacks are for lifting or raising things. They can be screwed jacks or air jacks, or most commonly, hydraulic jacks.
jacks reaction to what?
The TV will need to have AUDIO OUTPUT jacks to connect to the speakers or a amplifier to power the speakers and subwoofer.
Hungry Jacks is at Livingston , Bussleten
Sam Jacks died in 1975.
Al Jacks was born in 1935.
Harry Jacks died in 1994.
Ball Jacks happened in 1993.
William Jacks was born in 1841.
William Jacks died in 1907.