Copyright © Philip M. Parker, INSEAD. Terms of Use.
| Domain | Definition |
Occupations | Sets up and operates boring machine to drill horizontal holes through earth banks for installation of pipelines under highways, railroads, canals, and other obstructions: Assembles and positions machine, augers, and casing pipes. Signals operator of crane to lower boring equipment into previously dug starter hole. Verifies depth and level of boring position, using surveyor's level and spirit level. Starts engine and moves levers to rotate and feed auger into earth, and simultaneously activates hydraulic ram that forces casing into hole. Retracts auger and forces earth cuttings back through casing to permit coupling additional sections of casing and auger. May operate machine which flushes and pumps earth cuttings from hole. May operate boring machine that drives pilot hole through earth bank and pulls auger bit back through bank to cut hole of required diameter. (references) |
Source: compiled by the editor from various references; see credits. | |
Hexadecimal (or equivalents, 770AD-1900s) (references)54 55 4E 4E 45 4C 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)01010100 01010101 01001110 01001110 01000101 01001100 01001001 01001110 01000111 00101101 01001101 01000001 01000011 01001000 01001001 01001110 01000101 00100000 01001111 01010000 01000101 01010010 01000001 01010100 01001111 01010010 |
HTML Code (1990) (references)T U N N E L I N G - M A C H I N E   O P E R A T O R |
ISO 10646 (1991-1993) (references)0054 0055 004E 004E 0045 004C 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)545548483946434841154735374243483924950395235544952 |
| 1. Orthography 2. Bibliography |
Copyright © Philip M. Parker, INSEAD. Terms of Use.
