11 Electric air sanitizing unit; Electric roasters; Furnaces for melting metals; Furnaces for recovering scrap metals; Heat stress machines having temperature controlled ceramic heating elements for heating tubes, pipes and welds; Holding furnaces and melting furnaces for industrial use; Metal reclaimer, namely, a foundry crucible for reclaiming metal from dross during processing; Quenching apparatus for heat treatment; Smelting machines; Water distillation units