professional plumber running to a leaking sink. plumbing emergency service. professional banner concept. - 閉塞 幅插畫檔、美工圖案、卡通及圖標
loose hair in the sink drain in the bathroom after shampooing or showering. the concept of head health problems, deficient conditions in the body due to stress and depression, a consequence of chemotherapy and radiation for cancer. - 閉塞 個照片及圖片檔
normal artery and cholesterol blocked artery. clogged arteries caused by cholesterol. normal veins and varicose veins. - 閉塞 幅插畫檔、美工圖案、卡通及圖標
atherosclerosis. cross section of coronary artery, human, 4x at 35mm. has large amount of plaque, & greatly reduced lumen. large amounts of lipids, calcium, chlolesterol & fibrous connective tissue are deposited in the wall. - 閉塞 個照片及圖片檔
street drain blocked with tree bark and debris causing flooding across a road after torrential rain - 閉塞 個照片及圖片檔
