(Based on 44(e)) Machines used to generate hydrogen and oxygen from water and/or substances comprised of water | Business and market research for others in the fields of water purification and hydrogen and/or oxygen generation from water and/or substances comprised of water | Installation, maintenance and repair of machines for others in the fields of water purification and hydrogen and/or oxygen generation from water and/or substances comprised of water | Manufacturing of machines for others in the fields of water purification and hydrogen and/or oxygen generation from water and/or substances comprised of water | Scientific research for others in the fields of water purification and hydrogen and/or oxygen generation from water and/or substances comprised of water
