It's very common for patients to develop hypoglycemia when they are being treated for diabetes. Severe hypothermia can cause fatigue and weakness. The lack of heat leads to a loss of energy as the body tries to conserve. By the time hypothermia is bad enough to cause fatigue, it is a severe medical emergency.
Zyl eyeglass frames Zyl is the most common plastic frame material because it can assume a large array of colors, textures and patterns. Temples and frame fronts can be cut from blocks of zyl extruded as a sheet of block acetate. Or, granular zyl can be liquefied and then injection molded.
Product Description for Carrera CA5018/S Sunglasses. 1  Carrera CA5018/S is a Full Rim frame for Men, which is made of Optyl Plastic Front and Acetate Plastic Temples. Optyl is a thermoset plastic material, which is not only hypoallergenic but is also treated to a special surface coating which makes it resistant to sweat and cosmetics -- Acetate is the most common material used for frame manufacturing.