Portable free-standing ramps made of metal; Portable free-standing loading ramps made of metal; Portable free-standing prefabricated platforms made of metal, multi purpose ramps and prefabricated platforms made of metal for residential, commercial and industrial use; Metal free-standing ramps for use with equipment and machinery; Metal free-standing ramps for platform for use by individuals and pedestrians; Platforms, free-standing, prefabricated, of metal