At Zeus, our philosophy is that itâs not always what you have â itâs what you are able to accomplish with what you have that fosters innovation. For 50 years, we have developed and manufactured precise polymer extrusions to meet the demands of the most advanced applications.
1 Dr Charles Tweed was the first certified orthodontist in the US. 2  The first braces were constructed by Pierre Fauchard in 1728. 3  Fauchard's braces consisted of a flat strip of metal, which was connected to teeth by pieces of thread.
1 Orpiment was a source of yellow pigment from ancient Egypt through the 19th century, though it is highly toxic. 2  Indian yellow pigment. 3  Chrome yellow was discovered in 1809. 4  The dye and spice saffron comes from the dried red stigma of this plant, the crocus sativus.