The lifting spring includes a compressible air bellow which provides {HEAD ~ resistance} for maintaining a front end of the toilet at {TAIL ~ a prescribed angle} when in the resting state 
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The lifting spring includes a compressible air bellow which provides { HEAD ~ resistance } for maintaining a front end of the toilet at { TAIL ~ a prescribed angle } when in the resting state
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH