Strand wire for rope, is made up of molecule that is biodegradable with sea water and is sufficiently resistant so that sailor works with it, where number of wires form strand and assembly of strands constitutes rope

摘要

The strand wire (1) is made up of a molecule that is biodegradable with the sea water and is sufficiently resistant so that a sailor works with it. A strand (3) is constituted of a number of strand wires (1). An assembly of strands constitutes a rope (2).