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.
1 A blood sugar level from 100 to 125 mg/dL (5.6 to 6.9 mmol/L) is considered prediabetes. 2  This is sometimes referred to as impaired fasting glucose (IFG). 3  A blood sugar level of 126 mg/dL (7.0 mmol/L) or higher may indicate diabetes mellitus. blood sugar level of 200 mg/dL (11.1 mmol/L) or higher may indicate diabetes mellitus. If your blood sugar level is normal, your doctor may recommend a screening test every three years. If you have prediabetes, further testing may be needed.