Apparatus for cooking, namely, cooktops; Apparatus for the exchange of substances and heat for use in the production of steam, for use in cooking and for use in refrigeration; Drying apparatus for chemical processing; Drying apparatus for fodder and forage; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Environmental control apparatus, namely, particle activators for use in soil remediation, drinking water treatment, municipal and...