Định Nghĩa và Ý Nghĩa của "keyhole saw"

What is a "keyhole saw"?

A keyhole saw is a hand tool used for making small, intricate cuts, often in drywall, wood, or plaster. It has a narrow, pointed blade with fine teeth, allowing it to easily cut curves or circles, especially in confined spaces. The saw is typically used for cutting holes for keyholes, electrical outlets, or other small openings. Its handle is designed for a firm grip, providing control for detailed work. Keyhole saws are commonly used in carpentry, home improvement, and DIY projects that require precise, detailed cutting in materials like drywall or wood.