Drain pipes, not of metal; Ducts, not of metal, for ventilating and air-conditioning installations; Non-luminous and non-mechanical signs, not of metal; Non-metal floors comprised primarily of plastic for outdoor use; Refractory construction materials, not of metal; Water-pipe valves, not of metal or plastic; Water-pipes, not of metal

'air':14 'air-condit':13 'compris':32 'condit':15 'construct':40 'drain':1 'duct':6 'floor':31 'instal':16 'lumin':19 'materi':41 'mechan':23 'metal':5,9,27,30,44,51,59 'non':18,22,29 'non-lumin':17 'non-mechan':21 'non-met':28 'outdoor':37 'pipe':2,47,56 'plastic':35,53 'primarili':33 'refractori':39 'sign':24 'use':38 'valv':48 'ventil':11 'water':46,55 'water-pip':45,54

T·FLEX

Owner

Goods & Services