Abstract: Disclosed herein is a system for managing chemicals using Radio-Frequency Identification (RFID). A storage facility identification tag, attached to a chemical storage facility in a laboratory, stores the unique identification code of the chemical storage facility and a list of chemicals. A chemical identification tag, attached to the cover of a chemical container, stores the unique identification code of the chemical storage facility and chemical-related information. A mobile terminal, provided with an RFID reader, receives and outputs the unique identification code of the chemical storage facility, the list of the chemicals, and the chemical-related information.

Abstract: A grill for roasting a meat includes: a peripheral frame; a plurality of first support frames connected to the peripheral frame, the plurality of first support frames parallel to and spaced apart from one another by a first space; and a plurality of second support frames under the plurality of first support frames, the plurality of second support frames parallel to and spaced apart from one another by a second space, each of the plurality of second support frames corresponding to the first space.