The metal shelves are everywhere in the warehouse, library and supermarket, we developed a special RFID tag for the metallic shelves management. A HF (13.56MHZ) or UHF (860-960MHZ) RFID chip inside the tag, and colorful printing on the surface contain bar
6 different colored exercise bands, each with weight indication for different tension ranges: Yellow 5-15 LBS., Red 15-35 LBS., Black 30-60 LBS., Purple 40-80 LBS., Green 50-125 LBS., Blue 65-175 LBS., use single sets or combinations of more sets for chal