PT Journal AU Radandt, S TI Safety of Machinery - the Need for Risk Assessment and the Reasons why SO Acta Mechanica Slovaca PY 2013 BP 78 EP 83 VL 17 IS 2 DI 10.21496/ams.2013.023 DE Risk management; risk assessment methods; risk estimation; risk evaluation; risk treatment; safety of technical systems; functional safety; protective measures; human factors ER