21. Reciprocating internal combustion engines - hand - operated control devices - standard direction of motion 22. Standard practice for sampling soils and contaminated media with hand - operated bucket augers 23. Reciprocating internal combustion engines - hand - operated control devices - standard direction of motion 24. Specification for grease guns hand - operated lever type for use with cartridges complying with bs 4507 25. Reciprocating internal combustion engines . hand - operated control devices . standard direction of motion 26. Assembly tools for screws and nuts . square drive sockets . part 1 : hand - operated sockets . dimensions 27. Hand - operated convenience . 3 . perfect support full - spelling of microsoft , larry , the sound fuzzy sound installed28. Assembly tools for screws and nuts . technical specifications . part 1 : hand - operated wrenches and sockets 29. Range of application : it is used in hand - operated machine for crystallized glass panels in grinding and polishing 30. For efficient sheet cutting , computer can sontrol both automatic and hand - operated nesting
