They use more nylon, the kind of material that can last longer.
"You never use nylon in a quilt; you're supposed to use cotton," she said.
All traditional gayageum use silk strings, though, since the late 20th century, some musicians use nylon.
Lower quality (inexpensive) bows often use nylon or synthetic hair.
Students often use nylon or 'tetron' strings, which last longer than silk, and are also less expensive.
At the beginning of his career he was a minor participant in a project that helped develop parachutes using nylon rather than imported Japanese silk.
Instead of cleaning clothes with water, the machine uses reusable nylon for its cleaning process.
They had already made the wind-marker drop, using night-glo nylon to calculate the wind-drift effect.
Players formerly used silk strings, but since the late 20th century have generally used nylon.
"Historically, apartment buildings have used nylon because it supposedly lasts longer," she said.