Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 2: Introduction to the physics of low-noise design— 50 стр.
Tractors, machinery for agriculture and forestry, powered lawn and garden equipment -- Symbols for operator controls and other displays -- Part 5: Symbols for manual portable forestry machines— 12 стр.
Forestry and gardening machinery -- Vibration test code for portable hand-held machines with internal combustion engine -- Vibration at the handles— 36 стр.
