Why Plastic Chairs Have That Curious Hole At Backrest - The Science You Didn’t Know
Published on: Sept. 16, 2025, 7:32 a.m. | Source: Zee News
Take a closer look at any plastic chair and you will notice a small hole right at the backrest. Most people assume it is just part of the chair’s design, maybe to look sleek or modern. But the truth is far more practical and surprisingly clever.
