Search for: [Subject and Keywords = mechanical properties] OR [Subject and Keywords = durability] OR [Subject and Keywords = polyethylene terephthalate] OR [Subject and Keywords = scanning electron microscopy] OR [Title = Effect of Replacing Natural Aggregate with Plastic Aggregate on the Mechanical Properties of Concrete\-Review] OR [Creator = Omran, Shady] OR [Creator = Sisupalan, Samson]