RATE C
1. | Operating power-driven mill rolling sheet lead from slabs, including the setting of edge trimming rolls, using tape and/or rule only. |
RATE DD
1. | Operating multi-die wire drawing machine, including removal and replacement of self-locating attachments, adjusting predetermined spool speed control and joining and feeding-through of wire. |
RATE E
1. | Operating trap extrusion press. |
RATE F
1. | Hand wiping of lead joints in the manufacture of standard lines rotated by machine. |
2. | Lead lining of vessels (excluding lead-burning). |
3. | Operating pressure die-casting machine. |
4. | Repetition fusing, other than by soldering bolt, of components in fixtures in the manufacture of lead products. |
5. | Repetition operation of or attending semi-automatic machines where the work cycle is power driven and the end point is controlled by automatically operating stops (excluding setting up). |
For the purposes of the above, ‘semi-automatic machine’ is a machine on which it is not necessary to centralise or true the work by hand and manual operations are limited to loading the work piece into the chuck or holding device of the machine, setting the machine in motion, advancing or retracting the tools before and after the power cycle takes over (but excluding all other manual machining) and stopping and unloading the machine.
6. | Operating bull block type wire drawing machine, including removal and replacement of attachments under supervision. |
RATE G
1. | Assembly of pre-manufactured components from stock requiring no fitting or adjustment, but including deburring. |
3. | Hand and/or power pressing (excluding setting up of dies). |
4. | Jig drilling of lead products. |
5. | Metal buffing and/or polishing. |
6. | Operating extrusion press to pre-set dies (excluding setting up of dies). |
7. | Permanent mould casting, wherein sand is entirely excluded. |
8. | Rectification of surface defects with lead filling, using gas torch. |
9. | Repetition lead soldering by soldering bolt and/or assembling components in the manufacture of lead products. |
10. | Trimming and/or cutting to stops and/or fixtures (excluding setting of stops) by power saws and/or hand shears. |