一种定义
四种语言
Um die Betriebssicherheit zu gewährleisten, dürfen diese Tätigkeiten daher nur von einer entsprechenden Fachkraft oder einer unterwiesenen Person unter Leitung einer Fachkraft durchgeführt werden.
To ensure operational safety, these activities must therefore be carried out only by a qualified person or by personnel under the instruction and guidance of a qualified person
Check the reliability of any fastenings that have not been recommended by the manufacturer.
Reliability, versatility and consistently high quality are the hallmarks of these outstanding components.
Reliability and extendibility ensure that systems and structures have an extremely long useful life.