division dr. thorsten kahlert ( ) will assume management of the safety division on april , following hannes hunschofsky, currently taking this task on an interim basis. after studying economics at the university of st. gallen, switzerland, at the hec in paris, france, and at the university of minnesota...
– types and operation november , by vac aero international vacuum valves are an essential component in any vacuum system. there are a variety of different types that fall into three main categories – operational valves, closing valves, and sealing valves. the selection of the proper valve type requires...