Originally a hand-cranked surgical device for difficult births, the chainsaw has evolved into a powerful tool, revolutionizing construction, forestry, and woodworking industries.
Today, it is the most eco-friendly and healthiest form of transportation you can use. Compared to other transport vehicles, it is also one of the cheapest.
From prolonging the shelf life of food to creating a cozy space you can stay in, air conditioners and refrigerators made people’s lives more convenient and comfortable.