Abstract: The present invention relates to generating time relevant content for electronic communications, such as electronic mail (e-mail). The time relevant content is delivered when the electronic communications are acknowledged by the recipient based upon receipt of an electronic indicator, such as a returned request(s), at a home server. In the case of electronic mail, the time relevant content is dynamic, as it is assembled at the time the e-mail is opened, as opposed to the time when the e-mail is sent, as is the case with conventional or static e-mail and other similar electronic communications.

Abstract: A percussive drilling component includes a cylindrical male screw thread formed of a steel material. The thread includes thread crests and thread roots interconnected by thread flanks. To protect the thread against corrosion, the thread is coated with a material having a higher electrode potential than the steel material. The coating is situated at least in regions located radially inwardly of the thread flanks. The male screw thread can be attached to a female screw thread of another percussive drilling component, the female screw thread also being coated with the material.