chemicals, namely, crosslinking agents in the nature of additives used in connection with manufacturing resin materials; chemicals, namely, chemical purifiers for purifying water for swimming pools, spas, hot tubs, drinking water and waste water

[ metal materials, namely, metal fence, metal handrail, metal gates, metal garage doors, prefabricated building assembly kits consisting of metal supporting columns, metal roofing panels, and metal wall panels for constructing metal rain shelters, metal sun shelters and metal garages; metal nameplates and door nameplates; letter boxes of metal; upright non-luminous and non-mechanical signboards of metal; cycle racks of metal; poles of metal for photovoltaic power generation; trash receptacles assembly kits of metal consisting of metal wall panels, metal floor panels and metal lids for temporarily collecting trash ]

wall plaster in the nature of interior and exterior wall finishes for building purposes