Soft copper wire : 20 gauge (wire diameter 0.8mm): 2 strands, each long 40 cm (16 inch) 2 cm (0.7 inch) for clasp beads: 4mm ...

3D technology is used in a wide range of fields, including film, video games, architecture, engineering, and product design. It allows designers to create digital models of objects that can be ...

† Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, P. R. China ‡ School of Civic and Environmental Engineering ...