Another way of saying that small screws solve big problems

Small screws can solve big problems. Don’t underestimate a small screw, it can solve many problems. A small screw, but its role is extremely important. Everything from high-speed trains, airplanes, spaceships, and robots to mobile phones, cameras, computers, and medical equipment are all inseparable from screws. Some patients even need screws implanted into the human body. It is "the best tool for the second millennium of the human era" and a small item within easy reach in people's lives.