Rubber-based, silicon rubber-based or polymer-based signs each utilizing a smooth electrostatic surface to adhere to other smooth or non-porous surfaces; polymer-based, rubber-based or silicon rubber-based signs, each using inherent properties of the smooth surface of the sign material to adhere to other smooth surfaces; flat pieces of silicon rubber, polymer-based material or rubber-based material each using the inherent properties of the smooth surface of the sign material to adhere to other smooth surfaces; any one of the foregoing being impregnated with a glow-inducing ingredient, or any one of the aforesaid being impregnated with a scent-releasing ingredient; any one of the following goods comprising a surface made from any one of the foregoing materials or signs, the goods comprising any one of advertisement columns (not of metal), building materials (not of metal), building panels (not of metal), buildings (not of metal), buildings, transportable (not of metal), casement windows (not of metal), coverings, not of metal (for building), docks, not of metal, for mooring boats (floating-), facings (not of metal, for building), flashing (not of metal, for building), floor tiles (not of metal), foundry moulds (moulds) (not of metal), framework, not of metal (for building), insulating glass (building), mouldings (not of metal, for cornices), mooring bollards (not of metal), mouldings (not of metal, for building), mouldings (not of metal, for cornices), panels (building-) (not of metal), paving (luminous-), safety glass, signalling panels, non-luminous and non-mechanical (not of metal), signs, non-luminous and non-mechanical (not of metal, for roads), signs, not of metal (non-luminous and non-mechanical-), silica (quartz), tiles (not of metal), wall tiles (not of metal, for building) or building materials (non-metallic)