drive head assembly
21Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …
22Glossary of military abbreviations — List of terms, acronyms, information, related to modern armour, artillery, infantry, weapons, and related military subject matter.* AA anti aircraft * AAA anti aircraft artillery Triple A * AAAV Advanced Amphibious Assault Vehicle * AAD Armoured… …
23Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …
24Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting …
25Oldsmobile Diesel V6 engine — Oldsmobile developed three diesel engines for the 1980s: two V8s and a 263 CID (4.3 L) V6. It was based on the Olds 350 V8 with a 4.057 in (103.0 mm) bore and 3.385 in (86.0 mm) stroke. The history of passenger car… …
26History of hard disk drives — The commercial usage of hard disk drives began in 1956 with the shipment of an IBM 305 RAMAC system including IBM Model 350 disk storage [ [http://www.magneticdiskheritagecenter.org/MDHC/MILESTONE/Emerson%20Pugh%20talk.pdf Ramac History May2005 ] …
27Digital Compact Cassette — For other uses, see DCC (disambiguation). Digital Compact Cassette Media type Magnetic tape Encoding Precision Adaptive Sub band Coding (MPEG 1 Audio Layer I) …
28Data recovery — is the process of salvaging data from damaged, failed, corrupted, or inaccessible secondary storage media when it cannot be accessed normally. Often the data are being salvaged from storage media such as internal or external hard disk drives,… …
29Software cracking — is the modification of software to remove or disable features which are considered undesirable by the person cracking the software, usually related to protection methods: copy protection, trial/demo version, serial number, hardware key, date… …
30Dot matrix printer — Epson VP 500 Printer (Cover removed) …
