A cleaning device includes at least one cleaning cloth of one type of material providing a wiping function and a care label attached to an edge of the cleaning cloth. The method involves maintaining a slag layer on the molten bath that has a thickness that is sufficient to support the feed material while minimizing heat transfer through the slag layer and minimizing the resistance of vapor phase components from transferring through the slag layer. Information transmission means of transmissionreception of information on sports tofrom outside can be mounted on the goggle main body. The Rhenium alloy filaments are usable with various shapes and configurations including straight filaments, multiple coiled filaments and pin shaped filaments.