Advertisement display boards of metal (non-luminous); Advertising boards (metal hoardings); Advertising display boards of metal (non-luminous); Advertising hoardings (structures) of metal; Advertising signs of metal (non-mechanical, not luminous); Assemblies (structures) of metal for display purposes; Display apparatus of metal; Display frames of metal (other than furniture); Exhibition booths (stands) of metal; Exhibition display stands of metal; Exhibition frames stands of metal; Exhibition panelling of metal; Exhibition stands of metal; Frames of metal; Metal display stands; Metal signboards (non-mechanical, non-electric, not luminous); Mobile display units (structures) of metal; Outdoor metal-framed structures; Outdoor signboards of metal (non-luminous and non-mechanical); Portable units (buildings) of metal for exhibition purposes