anti-corrosive preparations for metals that form vaporous coatings on ferrous and copper alloys; anti-rust preparations for metals that form vaporous coatings on ferrous and copper alloys; anti-tarnishing preparations for metals; anti-corrosion preparations, namely capsule that emits vapor corrosion inhibitors in the nature of vaporous coatings on ferrous and copper alloys

Electronic generator for use in controlling the amount of humidity in the air by creating, removing or circulating small water particles or water vapor in the air

portable humidity calibrator