pressure cooker

(1) before each use to carefully check the pressure valve exhaust hole is open (or not).
(2) the not too full of food, generally should not exceed 4/5 high pot. The more expansive food (such as kelp, mung bean, corn, etc.) should not exceed half of the body;
(3) the cover mark on the lid and the pot body to close the lid, completely buckled. In place to stop, do not too much force too much;
(4) after the closing cover is heated, the upper limit pressure valve cover is pressed when the steam is discharged from the pressure limiting exhaust hole;
(5) when the pressure relief valve, the small fire, to keep the pressure valve can be a little action;
(6) the opening cover must wait until the pressure is completely reduced, that is, the valve core of the protective device is lowered to open the cover. Not forced to turn the knob;