Devices shall incorporate suitable means to prevent, as far as possible, the accidental release of dangerous levels of energy or substances from an energy and/or substance source.
Beidh dóigheanna iomchuí ionchorpraithe sna feistí le cosc a chur, a oiread is féidir é, ar sceitheadh taismeach de leibhéil dhainséaracha fuinnimh nó substaintí as foinse fuinnimh agus/nó as foinse substaintí.