Non-metallic mats for use in the construction of roads, namely, temporary roadways made of composite plastic, temporary walkways made of composite plastic; non-metallic mats for the protection of banks against erosion; Erosion control mats for construction; prefabricated platforms of non-metallic materials; roadways of non-metallic materials, namely, roadways made of composite plastic; replacement parts and replacement fittings for the aforesaid goods