| 摘要 |
A barrier an upper railing (102) and a lower railing (103), and at least one wire (101) with one or two substantially vertical portions (118) which are positioned to be parallel each end anchored at a position which is spaced apart the position of one end being different from the position of the other end, one end being secured to a one of the railings and the other end being secured to the same or the other of the railings and there being a tightening arrangement which also provides a spreader that is adapted to effect tensioning from a tightening means that has its tightening means location that is offset from being in line with a direction of elongation of the one or, in the case of two substantially vertical portions, both of the vertical portions.
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