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The operational versatility of a lightweight jack hammer is another notable advantage Fiberglass, composed primarily of silica, possesses an innate resistance to chemical attack. When combined with a corrosion-resistant resin, such as epoxy or polyester, it forms a formidable barrier against corrosive substances. The matrix shields the glass fibers from direct contact with harsh environments, thereby enhancing the material's durability. Next, the drilling equipment must be properly set up and calibrated. This involves ensuring that the drill bit is positioned at the correct angle and depth, and that the drilling parameters (such as rotation speed and feed rate) are optimized for the specific limestone being drilled. It is also important to use a lubricant or cooling fluid to reduce friction and prevent overheating of the drill bit It is also important to use a lubricant or cooling fluid to reduce friction and prevent overheating of the drill bit