1.The portable tool boxes of the workers,the stainless steel tool boxes of caier masters, repaired tool boxes of the mechanics, medical tool boxes of doctors.
2.While the Car 4S shops are being built,there will be equiped with an amount of tool boxes to make it convenient and efficient for using tools, and also to improve the level.
3.Large factories: most of large factories adopted pipeline operations, and it will be more convenient when you use the small tool boxes.
4.The manufacturing industry of buses and planes
5.Other areas are possibly related.