One or both kidneys may be enlarged and painful, and doctors may find tenderness in the small of the back on the affected side. Sometimes the muscles of the abdomen are tightly contracted. Irritation from the infection or the passing of a kidney stone (if one is present) can cause spasms of the ureters. If the ureters go into spasms, people may experience episodes of intense pain (renal colic).
NFPA 10 Standard for Portable Fire Extinguishers states that units weighing 40 lbs. or less be installed such that the top of the unit is not more than five feet above the floor. For units weighing more than 40 pounds, the top of the unit should be no more than 3.5 feet above the floor.
Point the extinguisher at the base of the fire. Squeeze the lever slowly and evenly. -Sweep the nozzle from side-toside. For your home, buy a multi-purpose extinguisher, which you can use on all types of home fires. You want it to be large enough to put out a small fire, but not so big that it is hard to handle. Read the instructions and get familiar with the parts and how to use it.