An AC system has many components: compressor, condenser, receiver dryer, evaporator, and hoses. The compressor, the âheartâ of the carâs air conditioning system works like a pump taking refrigerant, (R-12 in older cars, R-134a in 1995 and newer cars) and pressurizing it, passing it along to the evaporator. The AC compressor has several moving parts (including pistons and valves).
They vary throughout the day. (Click here for a blood sugar chart.) For someone without diabetes, a fasting blood sugar on awakening should be under 100 mg/dl. Before-meal normal sugars are 70â99 mg/dl. âPostprandialâ sugars taken two hours after meals should be less than 140 mg/dl. Those are the normal numbers for someone without diabetes.
The goal for home blood pressure is less than 135 and less than 85; if you have diabetes or kidney problems, your goal is less than 130 and less than 80. How do you measure up? Checking your blood pressure at home will help your doctor or nurse see if your numbers are normal or high. Look at the numbers below to find your cuff size (the wrong cuff size can increase your blood pressure numbers.) measure this way â¢ Rest for at least 5 minutes before you take a reading. â¢ Sit with your legs uncrossed, your back supported and your feet on the floor.