From professional translators, enterprises, web pages and freely available translation repositories.
de laad- en losinrichtingen (met inbegrip van flenzen of schroefdoppen) alsmede de eventuele beschermkappen moeten beveiligd kunnen worden tegen elk ontijdig openen.
the filling and discharge devices (including flanges or threaded plugs) and protective caps (if any) must be capable of being secured against any unintended opening.