The content presented in this paper is intended to support public managers responsible for defining technical, photometric and safety specifications contained in the references of the bids for the purchase of LED streetlights. ...

The threats of potential energy crises, as well as the impacts caused by the generation of electricity from non-renewable resources, have increasingly brought to the fore the importance of conscious consumption and energy ...

This project concerns the development of a disinfection system for the most contaminated surfaces of an elevator car through ultraviolet C radiation illumination, being in this work the area of the floor selection buttons. ...