Santosh Jha on Instagram: "How One Smart Design Protects Supermarket Workers Supermarket cashiers repeat the same movements thousands of times a day. Over time, that can lead to painful injuries in the wrists, shoulders, and back — known as Repetitive Strain Injury. To fix this, a French supermarket introduced the Perdelle system — a rotating platform that moves products closer to the cashier. By reducing twisting and overreaching, it helps protect workers’ health and shows how smart ergonomics