The essential requirements should be interpreted and applied so as to take account of the state of the art at the time of design and manufacture as well as of technical and economic considerations which are consistent with a high degree of health and safety protection and rational use of energy.
Ba cheart na ceanglais riachtanacha a léirmhíniú agus a chur i bhfeidhm ionas go gcuirfear staid na teicneolaíochta tráth an deartha agus an mhonaraithe i gcuntas chomh maith le gnéithe teicniúla agus eacnamaíocha atá comhsheasmhach le hardleibhéal cosanta sláinte agus sábháilteachta agus le húsáid réasúnach fuinnimh.