The last project category of PRO WORK is "Sustainability/Technique". Examples are: general periodic inspection for utilities; involving healthcare employees in the technical sector; encouraging students to choose the technical sector; transferring knowledge between VET centres about sustainable energy in all kinds (f.e. passive building); support the reduction of emissions in the heat pump-, refrigeration- and air-conditioning sector; several assessment tools for validation of prior learning in the technical VET system and transfer new successful approaches concerning electrical bicycle training in Europe.