通常の靴修理では板状の素材を靴の形に切り取り、接着した後に削り取ることで修理をします。その際に出る廃材や粉塵は環境だけでなく人体にも悪影響をあたえます。
In standard shoe repair, a plate material is cut into the shape of a shoe, glued, then scraped off. The waste materials and dust generated in the process have an adverse effect not only on the environment but also on the human body.