APPENDIX 1
Abbreviations
| 2D | two-dimensional |
| 3D | three-dimensional |
| AC | alternating current |
| ACW | anticlockwise |
| ADC | analogue-to-digital converter |
| AF | audio frequency |
| ALU | arithmetic and logic unit |
| AM | amplitude modulation |
| ASCII | American standard code for information interchange |
| BCD | binary coded decimal |
| BJT | bipolar junction transistor |
| BM | bending moment |
| BS | British Standard |
| CAD | computer aided design |
| CAE | computer aided engineering |
| CAM | computer aided manufacture |
| CG | centre of gravity |
| CIMS | computer integrated manufacturing system |
| CL | centre-line |
| CMOS | complementary metal oxide semiconductor |
| CNC | computer numerical control |
| COSHH | Control of Substances Hazardous to Health |
| CPM | critical path method |
| CPU | central processing unit |
| CRT | cathode ray tube |
| CSA | cross-sectional area |
| CW | clockwise |
| DAC | digital-to-analogue ... |
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