Replacing Pressure Relief Valve

pressure relief
What you must do to all fuel injection system before cracking a line and opening up the system
Stress management is the amelioration of stress and especially chronic stress often for the purpose of improving everyday functioning.
or ‘weight shifts’ are the methods of relieving pressure over the buttocks whilst sitting in the wheelchair.

replacing
replacement: the act of furnishing an equivalent person or thing in the place of another; "replacing the star will not be easy"
(replace) substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected); "He replaced the old razor blade"; "We need to replace the secretary that left a month ago"; "the insurance will replace the lost income"; "This antique
Take the place of
(replace) supplant: take the place or move into the position of; "Smith replaced Miller as CEO after Miller left"; "the computer has supplanted the slide rule"; "Mary replaced Susan as the team's captain and the highest-ranked player in the school"
Provide or find a substitute for (something that is broken, old, or inoperative)
Fill the role of (someone or something) with a substitute

valve
A cylindrical mechanism in a brass instrument that, when depressed or turned, admits air into different sections of tubing and so extends the range of available notes
a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
control consisting of a mechanical device for controlling the flow of a fluid
A device for controlling the passage of fluid through a pipe or duct, esp. an automatic device allowing movement in one direction only
A membranous fold in a hollow organ or tubular structure, such as a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone