Email marketing is direct marketing. This was once done by U.S. mail. Today, marketers use email as the medium of choice for putting out their messages. The idea of spam developed along with email marketing -- for some reason, customers object to unwanted email much more strongly than they used to object to regular ...
Jun 14, 2018· Shot blasting is a process that is often used to clean the surface of a material. The process usually involves a gun or a ride-on rolling blasting machine that is used to shoot various types of media, or shot, at the object being blasted.
Shot blasting might sound like it should involve explosives, but its name is actually related to the fact that tiny steel balls are used in the process of blasting. Steel blasting can be performed using the tiny balls or through crushed steel, and you might also hear of it being referred to as peening.
Blasting cap: Blasting cap,, device that initiates the detonation of a charge of a high explosive by subjecting it to percussion by a shock wave. In strict usage, the term detonator refers to an easily ignited low explosive that produces the shock wave, and the term primer, or priming composition, denotes a