Laser Safety Glasses - Holmium Laser. 1  On this page you will find our range of Holmium laser safety glasses , Ruby laser safety glasses, Dye and Erbium Laser Safety Glasses. If you cannot find suitable eyewear for your laser please dont hesitae to contact as we have many types not featured on the website.
Covelli Enterprises. Covelli Enterprises was founded in 1959 by Albert Covelli and its first restaurant was McDonald's. There have been many changes at Covelli since 1959, specifically the restaurants in its portfolio but the values have stayed constant. The firm still emphasizes treating customers and employees with respect and dignity.
Always innovative. Ground-breaking inventions, trendsetting products and a wealth of experience in the development and production of high-tech polymers characterize Covestro. Strictly speaking, the company is still young. Covestro was established as a legally independent company in 2015.In fact, the companyâs business activities extend back to the early part of the 20th century, for Covestro â formerly Bayer MaterialScience â arose from the Bayer Groupâs chemicals and plastics unit.1906 Research work on the synthesis of rubber. Bayer chemist Fritz Hoffmann starts to synthesize rubber.937 Otto Bayer discovers polyurethanes The invention by the chemist â who is not related to the family that founded the Bayer Group â revolutionizes the chemical industry, but his discovery is by chance. After mixing two chemical substances, Otto Bayer succeeds in synthesizing the first polyurethane foam.