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.
Best Answer: Combustable materials are materials that put off heavy fumes that can be flammable / materials that are flammable themselves. To Combust is to catch fire. [i.e. gasoline, paint thinner, other high flammable substances].I doubt that they would be evicted, i think the sign is really just for your own safety.E: What are combustible materials? Is the basement of my apartment there is a bright yellow sign saying &quot;Positively NO combustible materials are to be stored in basement. Violators will be evicted.&quot; What is a combustible material?