Gypsum bandage is made of sizing gauze bandage and gypsum powder, which can be hardened and shaped in a short time after soaking in water, with strong shaping ability and good stability. It is used for the fixation of orthopedics or orthopedic surgery, the manufacture of molds, prosthetic AIDS, burn site protection brackets, etc.

Life common sense refers to the scientific knowledge summarized by people in daily life, which can be divided into physics, biology, chemistry, medicine, first aid knowledge, geography, safety, cosmic celestial bodies, natural phenomena and other common sense contents.