two senior adults are laboring to unclog a drain following a substantial rainfall in denmark - 排水 個照片及圖片檔貨車
europe, germany, rhineland palatinate, worker transferring drainage pipes and fleece - 排水 個照片及圖片檔沙礫, 前後院, 室外
siphon and two water valves under a sink on a white tiled wall in a bathroom - 排水 個照片及圖片檔水管, 水龍頭, 廁所 - 建築物
high angle front view of a metal drainage grate in the foreground of a garden with a grassy lawn - 排水 個照片及圖片檔戰壕, 沙礫
woman scrubs the empty pool with a broom after emptying. preparing for summer - 排水 個照片及圖片檔游泳池, 空的, 西班牙
Worker fixes a pipeline in a tunnel that will connect two sections of the deep drainage system in Mexico City, Mexico, on July 3, 2007.
