Vocabulary

Lying near or close; adjoining.

Circle-shaped; having the form of a ring. 

A lock washer is tightened underneath a screw, or it is Compressed.

The act of extracting or removing.

A component is installed and oriented correctly.  A component with a Polarity can be mounted backwards, so it Orientation is wrong.

Two Printed Circuit Board traces or wires are installed or manufactured, running in the same direction, next to each other, but never touching each other.

A straight line extending from the center of a circle or sphere to the surface: The radius of a circle is half the diameter.

The following of one thing after another; in the proper order of sequence.

To rotate or twist, in order to tighten.  The amount of tightness is measured using a Torque Wrench.

A wire/lead is wrapped more than 360 degrees and crosses pver itself, i.e., does not remain in contact with the terminal post.

A metal ring or cap put around the end of a post or cane to prevent splitting. 

Sn  is the periodic table symbol for Tin

When an alloy, like Tin/Lead (SnPb) is mixed to that its amount of each element, causes it to melt at its lowest Melting Point (MP), and has a 0% Plastic Range (PR).

Pb is the periodic table symbol for Lead

Ag is the periodic table symbol for Silver

Cu is the periodic table symbol for Copper

OSP is the 3 letter designator for a Lead-free Printed Circuit Board,   it means Organic Solderability Preservative

ENIG is the 4 letter designator for a Lead-free Printed Circuit Board,  it means Electroless Nickel Immersion Gold

ImAg is the 4 letter designator for a Lead-free Printed Circuit Board,  It means Immersion Silver

To prevent or exclude something from happening.

A wire/lead that is wrapped more than 360 degrees and does remains in contact with the terminal post.