Treatment of materials, namely, purification, deodorization and freshening of air; assembly of materials to order for third parties, namely, custom assembly of air purification units, air conditioning and ventilating systems, water filtration systems, and air filtration systems to the order and specification of others for isolated smoking areas, rooms with airflow ventilation systems, and smoking cubes, in the fields of odor-free smoking areas and odor free areas

Transportable buildings of metal; metal building materials, namely, soffits, fascia, ceiling boards and floor board, metal countertops for further installation, stair nosing of metal; steel portable buildings

Transportable buildings of metal; metal building materials, namely, soffits, fascia, ceiling boards and floor boards, metal countertops for further installation, stair nosing of metal; steel buildings