What is a Optical Technician? Optical technicians, also known as ophthalmic laboratory technicians, create eyeglasses and contact lenses as well as lenses for binoculars and other optical devices. They fill prescriptions from ophthalmologists and optometrists, ensuring that the lenses refract light at the proper angle to permit optimal vision.
Needled Silica Insulation. InsulBattÃ¤ 1800 High Temperature needled silica insulation is fabricated from high quality Silica that will not burn and will withstand continuous exposure to temperatures of 1800Â°F / 982Â°C. This material resists most acids and alkalis and is unaffected by most bleaches and solvents. It is highly flexible and conformable.
During college, I watched a friend do the final pressing on a beautiful gown she had made only to burn a huge hole right on the front of the gown. She had the iron setting too high. Total. Disaster. Fortunately, one of the features on most irons is a sliding scale that indicates the correct temperature setting for different types of fabric. As a reference, This chart uses a scale of 1 to 7 - 1 being cool, 7 being very hot.