/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: JackdeGroot3 https://cdn.slidesharecdn.com/profile-photo-JackdeGroot3-48x48.jpg?cb=1563193780 Certification and CE marking of roadbuilding related products like asphalt, road marking products etc. Development of benchmarks. Member of several Board of Experts, related to certification standards. Specialties: QA & QC for asphalt production. Roadtrials for roadmarking products. Use of foamed bitumen for low energy applications. Recycling of C&D waste. Asbestos related issues like field identification of chrysotile. Concrete technologist. http://www.1kiwa.nl