Part 1 Preparing to Etch. 1. Grab muriatic acid or another suitable etching acid. Before you start your etching, you'll want to make sure you have enough of a suitable acid to complete your project â having to run out to the hardware store in the middle of your etching project is a serious pain.
  Eugene Rimmel invented the first mascara in the late 19th century. A more modern mascara was invented by T.L. Williams in 1913, and it was a cake like substance. The mas â¦ cara that we see today was invented by Helena Rubenstein.   The word mascara derives from the Italian maschera, which means mask from Middle Latin masca or Arabic Maskhara or from Old Occitan masco.     Source: ht â¦ tp://en.wikipedia.org/wiki/Mascara.
Origins Available: Portuguese, Spanish. From the historical and enchanting region of Spain emerged a multitude of noble families, including the distinguished Desilva family. The original bearer of the name Desilva, which is a local surname, once lived, held land, or was born in the beautiful region of Spain. In Spain, hereditary surnames were adopted according to fairly general rules and during the late Middle Ages, names that were derived from localities became increasingly widespread.