Historically, explanation has been associated with causation: to explain an event or phenomenon is to identify its cause. But with the growth and development of philosophy of science in the 20th century, the concept of explanation began to receive more rigorous and specific analysis.
For jewelry applications, gauges 12-28 are most common. The size of wire is defined by one of two measuring systems. The American wire gauge (AWG) and the Standard wire gauge (SWG) systems.
Jewelry is measured through a gauge system (see chart below). 1  The *higher* the gauge number the *smaller* the wire is. 2  A standard earring is usually 20 gauge. 3  To get larger gauge piercings you have to stretch your piercings.