1) правило
2) линейка
- rules for design
- rule of thumb
- architect's rule
- clean-air rules
- compass rule
- concrete construction safety rules
- design rules
- design rules for formwork
- established safety rules
- floating rule
- folding rule
- guidance rules
- hook rule
- operating rules
- plumb rule
- Simpson's 1/3 rule
- steel rule
- tape rule
- working rules
- zigzag rule