Final answer:
Sanding serves multiple purposes, such as smoothing rough surfaces, preparing for painting or staining, removing old finish, and creating a smoother transition between surfaces.
Step-by-step explanation:
Sanding serves multiple purposes, such as:
- Smoothing rough surfaces: Sanding is used to remove imperfections or rough spots from surfaces, making them smooth.
- Preparing for painting or staining: By sanding a surface, it creates a rougher texture that helps paint or stain adhere better.
- Removing old finish: Sanding is often used to remove old paint or varnish from surfaces, allowing for a fresh start.
- Creating a smoother transition between surfaces: Sanding can be done to blend different materials or surfaces together more seamlessly.
The primary topic being discussed is the purposes of sanding and its applications in different scenarios.