/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: dkukowski https://cdn.slidesharecdn.com/profile-photo-dkukowski-48x48.jpg?cb=1523849270 â–ªBuilding materials testing. â–ªDevelop new products. â–ªCorrect and improve the existing products. â–ªQuality Control