The procedure is necessary so that manned boats that help hold the floating span in place against river currents are not required through the night ( 213K AIFF sound or 213K WAV sound).

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Both stents are used to hold open arteries after they have been unclogged using a balloon, a procedure known as angioplasty.

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But in either surgery, small nerves can be irritated by the procedure or the repair mesh as well as by sutures or tacks used to hold the mesh against the abdominal wall.

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