Photovoltaic cells and modules; electronical sensors for measuring solar radiation; portable solar panels for generating electricity; solar batteries; solar collectors for electricity generation; solar heat collection panels; solar panel arrays for production of electricity; solar wafers; photovoltaic cladding panels for converting electronic radiation to electrical energy; optical character readers

machines useful for the storage and processing of chemicals incorporating metering, regulating and controls units for the introduction of reactants into reaction zones and for effecting chemical reactions, and particularly for the production of polyurethanes and polyurethane foams and parts thereof

Machines Useful for the Storage and Processing of Chemicals Incorporating Metering, Regulating and Control Units for the Introduction of Reactants into Reaction Zones and for Effecting Chemical Reactions, and Particularly for the Production of Polyurethanes and Polyurethane Foams and Parts Thereof