Example sentences of "[vb pp] back up the [noun sg] " in BNC.
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1 | This makes it very difficult for the mains to be contaminated by dirty water ( from a bath , say ) being sucked back up the mains — a phenomenon known as back siphonage . |
2 | Once she was safely winched back up the slipway into the lifeboat shed , I spoke to some of the crew . |
3 | John could tell that it was being driven back up the hill towards Putna . |
4 | In this way , liability is passed back up the chain of distribution to the manufacturer . |
5 | Paul had climbed back up the embankment — with the post sticking out of his body . |
6 | The light travels down an open tube until it hits a curved mirror at the bottom ; the rays are then sent back up the tube on to a smaller , flat mirror placed at an angle of 45 degrees , so that the rays are directed into the side of the tube , where an image is formed and magnified by an eyepiece . |