The safety of a helmet is essential to ensure the safety of the wearer. Starting from a post published on heavydriver.corriere.it, a meeting was held at the Politecnico of Milan, to give a concrete answer to the doubt that assails several motorcyclists: when should I change...
Polystyrene is defined as an “earth care” material throughout its life cycle. It consists of polystyrene granules, a thermoplastic resin obtained from three consecutive processes: • The synthesis of ethylene and benzene which produces ethylbenzene; • The hydrogenation of ethylbenzene that produces styrene; • • The polymerization of...
