Section 15 BASE METALS AND ARTICLES OF BASE METAL 76 ALUMINIUM AND ARTICLES THEREOF 76 10 LATTICE MASTS, ROOFS, ROOFING FRAMEWORKS, DOORS AND WINDOWS AND THEIR 76 10 90 COMPLETE STRUCTURES, OF ALUMINIUM Commodity Code Description 76 10 90 10 COMPLETE STRUCTURES, OF ALUMINIUM 76 10 90 90 OTH PARTS FOR STRUCTURES;ALUM.PLATES,RODS,PROFILES ETC..FOR USE IN STRUCT.