Primer

Let's have a little bit of a primer on weight and mass, especially if we start talking about atomic weight and atomic mass.

This book's a good primer on the subject, but it doesn't go into much depth.

Sections of the indictment are so detailed that they read like a primer, a virtual "how-to manual" for anyone interested in how hackers do what they do.

Whether you first paint this wood with primer or undercoat, when you add this topcoat, you'll end up with the same result.

Do you need to sand primer?

Four-year-old Elizabeth Finkle-McGraw would receive the Young Lady's Illustrated Primer from her grandfather. Fiona Hackworth would be getting a copy of the Illustrated Primer too, for this had been John Percival Hackworth's crime: He had programmed the matter compiler to place the cockleburs on the outside of Elizabeth's book.

[...] The two assets of the book are clear explanation, and a multitude of extremely helpful diagrams, some in two colours, and cutaway photographs; these clearly unravel a difficult subject for the layman, as well as the student engineman for whom the primer is chiefly designed.

The percussion primer, known as the “ 110-grain percussion primer,” contains an igniting charge of 95 grains of black powder in addition to the essential elements of a percussion primer.

Therefore, the shotgun primer is quite self- contained. It consists of a separate metal cup called a battery cup that contains the primer itself. That's why it is considered a two-piece primer.

Take care when handling primers, especially ensure that your fingers are free of oil or dirt. Oil can affect the detonating properties of the primer pellet, and can be the cause of misfires if too much oil gets into the primer.