11. Start mode : recoil and hand - operated 12. Bits with square drive for screws with internal serration , hand - operated 13. Machinery for primary processing of natural rubber - hand - operated roll mill 14. Hand - operated stitch machine15. Industrial trucks hand - operated elevating trucks and stillages principal dimensions 16. Hand - an machine - operated circular screwing dies and hand - operated die stocks 17. Lathe chucks , hand - operated ; jaws not individually adjustable , with cylindrical mounting recess 18. Lathe chucks , hand - operated ; jaws not individually adjustable , mounting recess with 1 : 4 taper 19. Lathe chucks , hand - operated ; jaws also individually adjustable with cylindrical mounting recess 20. Lathe chucks , hand - operated ; jaws also individually adjustable , mounting recess with 1 : 4 taper
