The famous Hoog Catharijne, with over 150 stores and around 26 million annual visitors, is one of the largest shopping centres in the Netherlands. In addition to hosting numerous clothing stores, electronics and restaurants, it is also a multi-purpose recreation centre with a cinema and the Vredenburg concert hall. The shopping centre enjoys a ...

One of the complexities an industrial company faces is the excessive energy consumption required to produce its product or service. When dealing with production lines that operate 24 hours a day, seven days a week, with machines that never stop working, this consumption increases exponentially. Energy consumption is a concern that must be ...

Students and teaching staff at IES Castellar breathe more easily with the Wellisair devices installed in their classrooms. The generous donation by the Teatreneu in Barcelona -which has also installed the devices in its own auditorium- consists of 50 Wellisair units, 50 peroxide cartridges and their corresponding anti-theft systems. In addition ...

HEPA filters are a system for retaining volatile particles present in the air, generally made of fibreglass. These randomly arranged fibres are extremely fine and form a mesh-like lattice that retains contaminating compounds. HEPA stands for "High Efficiency Particle Arrester" and is also known as absolute filters. They were developed in 1950 by ...