Snap switches are generally required to be effectively grounded by connection to an equipment grounding conductor. In addition, the snap switch must provide a means to ground a metal faceplate. Grounding of switches is discussed in greater detail later in this article.
exists and is an alternate of . The Latin word for ear is auris (-is, f.). The diminutive, spelled either auricula or oricula, is used to refer to the external, visible part of the ear (it is the latter that gave rise to the modern Romance words for ear: Italian orecchio, Spanish oreja, French oreille, etc.). The Latin word for ear is <i>auris</i> (-<i>is</i>, f.). The diminutive, spelled either <i>auricula</i> or <i>oricula</i>, is used to refer to the external, visible part of the ear (it is the latter that gave rise to the modern Romance words for ear: Italian <i>orecchio</i>, Spanish <i>oreja</i>, French <i>oreille</i>, etc.).
Lawrencium is a synthetic chemical element with chemical symbol Lr (formerly Lw) and atomic number 103. It is named in honor of Ernest Lawrence, inventor of the cyclotron, a device that was used to discover many artificial radioactive elements.ecause the name lawrencium had been in use for a long time by this point, it was retained by IUPAC, and in August 1997, the International Union of Pure and Applied Chemistry (IUPAC) ratified the name lawrencium and the symbol Lr during a meeting in Geneva.