Asymptote
Guzheng strings, #2, #4, #6, #8, #10, #12, #14, #16, #18, #20, tuning pins, wood brushings, cast iron bench ends, patina, graphite, polish, adjustable stainless steel instrument mount, aluminum crimp sleeves, stainless cable wire, archery bow nylon string, stretching form, cast iron heel, anchor, vibration, tension, resonance, diverging