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2 hour or 4 hour fire rated demountable panels are widely used in MRT projects. It can be on wall or on floor / ceiling. |
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Aluminium trap doors / panels are widely used in sub-stations, maintenance manholes because they are light, maintenance free and therefore cost effective. |
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Hot dipped glavanised steel trap doors / panels are good at load bearing, as shown in the left, combined with a platform to provide weather proof purpose. |