... UV, it will not be eroded by sea water, chemicals, medicines, oil stains, water-based creatures. It will be no pollution and no ... cement and wooden floating body,such as, slipping, stung by wood chips, rusted nails,etc3. Higher bearing capacity, steady and durable ... at least 15 years(20 years in fresh water, 15 years in sea water). Only if fastened firmly, the platforms could be ...