Cách sử dụng
The word 'plaster' is a material used to cover and protect walls, ceilings, and other surfaces. It is usually made from a mixture of cement, sand, and water. People use plaster to cover up cracks or holes in walls, to create a smooth surface for painting or wallpapering, or to add decorative texture. In medical contexts, 'plaster' is also used to refer to a hard, protective material that is applied to broken bones to help them heal.