Case Studies, Geology, Industry News, International News, News, Regulation, Regulation News Pumice the heart of Japanese construction The world’s most famous quarries attract attention for their part in iconic landmarks, but few are as unique as a series of sites that have supplied centuries’ worth of pumice rock for JapaneseRead More pcm_admin30/09/2019, 10:45 pm24/11/2019 0 1360