Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Domain | Definition |
Occupations | Operates self-propelled machine to install roof-support bolts in underground mine: Positions safety jack to support roof until bolts can be installed. Drives machine into position, inserts bit in drill chuck, and starts drill. Moves lever to advance bit into roof at specified distance from rib or adjacent bolt. Removes bit from chuck and replaces with bolt. Starts hydraulic action which forces bolt into hole. Starts rotation of chuck to turn bolt and open expansion head to exert pressure upon rock formation. Tests bolt for specified tension, using torque wrench. May install truss bolts traversing entire ceiling span and tighten ends of anchored truss bolts, using turnbuckle. (references) |
Source: compiled by the editor from various references; see credits. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)42 4F 4C 54 49 4E 47 2D 4D 41 43 48 49 4E 45 4F 50 45 52 41 54 4F 52 |
| Leonardo da Vinci (1452-1519; backwards) (references)
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Binary Code (1918-1938, probably earlier) (references)01000010 01001111 01001100 01010100 01001001 01001110 01000111 00101101 01001101 01000001 01000011 01001000 01001001 01001110 01000101 00100000 01001111 01010000 01000101 01010010 01000001 01010100 01001111 01010010 |
HTML Code (1990) (references)B O L T I N G - M A C H I N E   O P E R A T O R |
ISO 10646 (1991-1993) (references)0042 004F 004C 0054 0049 004E 0047 002D 004D 0041 0043 0048 0049 004E 0045 004F 0050 0045 0052 0041 0054 004F 0052 |
Encryption (beginner's substitution cypher): (references)36494654434841154735374243483924950395235544952 |
| 1. Orthography 2. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
