| 摘要 |
A safety debris sheet for scaffolding 1 comprises two webs overlying each other and including means to light the scaffolding after dark. The sheets may together provide graphics 5, e.g. advertising, and printing may be by a dot matrix of UV light protective material. Lighting may be provided by fibre optic, LED, liquid crystal or plasma, any cabling being used to replace the warp or web of the sheet, which may be corrugated.
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