proof mark
1proof-mark — proofˈ mark noun A mark stamped on a gun to show that it has stood the test • • • Main Entry: ↑proof …
2proof mark — A stamp applied at or near the breech of a firearm after it has passed a proof test …
3Proof test — A proof test is a test wherein a deliberately overpressured round is fired from a firearm in order to verify that the firearm is not defective and will not explode on firing. The firearm is inspected after the test, and if it is found to be in… …
4Proof coinage — means special early samples of a coin issue, historically made for checking the dies and for archival purposes, but nowadays often struck in greater numbers specially for coin collectors (numismatists). Many countries now issue them. Production… …
5Proof-of-work system — Saltar a navegación, búsqueda Un Proof of work system (o Sistema POW ) es una medida para evitar los ataques de denegación de servicio y otros abusos como el spam en una red requiriendo algún trabajo por parte del cliente del servicio, que… …
6Proof by intimidation — is a jocular term used mainly in mathematics to refer to mathematical proofs which are so complex, so long winded and so poorly presented by the authors that others are simply forced to accept it, lest they be forced to sift through its minute… …
7Mark Edward — Born Mark Edward Wilson May 19, 1951 (1951 05 19) (age 60) Los Angeles, CA USA Residence …
8Mark Andes — Andes, 2007 SXSW recipient at the Austin Music Awards Background information Born 19 February 1948 (1948 02 19) …
9Mark Hopkinson — Mark A. Hopkinson (October 8, 1949 – January 22, 1992) was a convicted murderer who was executed by the U.S. state of Wyoming in 1992 for the murders of Vincent Vehar, Beverly Vehar, John Vehar, and Jeffrey Green. He is the only person to have… …
10Mark Foley congressional page incident — Mark Foley The Mark Foley scandal, which broke in late September 2006, centers on soliciting e mails and sexually suggestive instant messages sent by Mark Foley, a Republican Congressman from Florida, to teenaged boys who had formerly served as… …
