A hacksaw is a versatile cutting tool widely used in various industries, including construction, metalworking, and plumbing. Known for its simple design yet effective performance, a hacksaw is essential for cutting through materials such as metal, plastic, and wood. This guide delves into the fundamentals of hacksaws, their types, uses, and advantages. We also explore how hacksaws are related to other materials, such as geomembranes, commonly used in environmental and civil engineering projects.