Jacks are for lifting or raising things. They can be screwed jacks or air jacks, or most commonly, hydraulic jacks.
jacks reaction to what?
Hungry Jacks is at Livingston , Bussleten
Harry Jacks died in 1994.
Ron Jacks was born in 1948.
Digby Jacks was born in 1945.
Digby Jacks died in 2011.
Sam Jacks died in 1975.
Ball Jacks happened in 1993.
Al Jacks was born in 1935.
Hurchel Jacks died in 1995.
Hurchel Jacks was born in 1929.
Robert Jacks was born in 1943.