How to test lead weights to place the arm supports a weight attached to a hydraulic cylinder compression pressure oil to the pot to make a diaphragm expansion occurs.
Test methods lead weights to put the arm supporting the weight attached to the cylinder to compress hydraulic oil to the pressure cooker to make the disc diaphragm rapid expansion.
How to test the pendulum to also support the weight arm attached to the hydraulic cylinder to compress the water to the pressure cooker to make the sheet diaphragm was expanded.