The situation of gutter oil is so rampant that the countrywide security equipment started a campaign in 2011 to stamp out the "4 black pests" (打四黑除四害) — black workshops, black factories, black markets and black gambling dens. There was a certain amount of drilling to insert cables but any dust https://supervideoabc.blogspot.ca/search/label/url-HHsGyDomCQKwyFArt3CDokfJX