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This is a very general question. I am familiar with hydraulic or "bottle" jacks, and I think this is what your question is about. Hydraulic jacks have a pump to force hydraulic fluid into a hydraulic cylinder, which forces it to extend. This action is what raises whatever load you place it under. The fluid is usually pretty specific to the jack. Go to your local hardware store and ask for hydraulic jack oil. I have seen people use transmission fluid in a pinch (way out on the farm, miles from the store).
What else can I help you with?
What are jacks and their functions?
Jacks are for lifting or raising things. They can be screwed jacks or air jacks, or most commonly, hydraulic jacks.
What is jacks reactions?
jacks reaction to what?
Where is Hungry Jacks?
Hungry Jacks is at Livingston , Bussleten
When did Sam Jacks die?
Sam Jacks died in 1975.
When did Ball Jacks happen?
Ball Jacks happened in 1993.
When was Al Jacks born?
Al Jacks was born in 1935.
When was Ron Jacks born?
Ron Jacks was born in 1948.
When did Hurchel Jacks die?
Hurchel Jacks died in 1995.
When was Hurchel Jacks born?
Hurchel Jacks was born in 1929.
When was Robert Jacks born?
Robert Jacks was born in 1943.
When was William Jacks born?
William Jacks was born in 1841.
When did William Jacks die?
William Jacks died in 1907.
