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.).
The ductus arteriosus is a hole that allows the blood to skip the circulation to the lungs. However, when the baby is born, the blood must receive oxygen in the lungs and this hole is supposed to close. If the ductus arteriosus is still open (or patent) the blood may skip this necessary step of circulation. The open hole is called the patent ductus arteriosus. More information for...