Materials I used: Soft copper wire: - 20 gauge (wire diameter 0.8mm) - 7cm (2.8 inch) for each double heart link - 2cm (0.8 inch) for each beaded link - 2cm (0.8 inch) for the clasp Beads: 4mm (abacus ...

The cold chain logistics sector is crucial to ensure the integrity and security of commodities susceptible to spoilage while in transit. To improve the efficiency of cold chain logistics for ...