Answer :
Final answer:
A hacksaw is a cutting tool designed for use on metal. Different blades can be used for cutting different types of metal, depending on their hardness levels and thickness. The appropriate blade helps to optimize the cutting process.
Explanation:
A hacksaw is a cutting tool designed for use on metal. Different blades can be used for cutting different types of metal. This is because different metals have different hardness levels, and using the appropriate blade helps to optimize the cutting process. For example, a blade with more teeth per inch (TPI) is ideal for cutting through thin sheets of metal, while a blade with fewer TPI is better suited for cutting through thicker pieces of metal.
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