4. Explain how to maintain a circular saw. 5. Describe two methods of making miter cuts with a circular saw.

4. To maintain a circular saw, follow these steps:1. Clean the saw blade: After each use, turn off the saw and unplug it from the power source. Remove the blade guard and clean the blade with a brush or cloth to remove any dust, debris, or sawdust buildup. This will help maintain the blade's sharpness and prevent any blockages.2. Lubricate the blade: Apply a few drops of oil or lubricant to the blade, focusing on the areas where the blade comes into contact with the saw housing. This will help reduce friction and prevent the blade from overheating.3. Check the blade tension: Ensure that the blade is properly tightened in its slot. If the blade is loose, adjust the tension according to the manufacturer's instructions. A loose blade can lead to inaccurate cuts and increased wear and tear.4. Inspect the saw blade: Periodically inspect the blade for any signs of wear or damage. If the blade appears dull or chipped, it may be time to replace it. A dull blade can result in poor cuts and increased effort.5. Store the saw properly: When not in use, unplug the saw and allow the blade to cool down. Store the saw in a dry, secure location, away from direct sunlight and moisture. Cover the saw with a protective cover or store it in a case to prevent dust and debris from accumulating.By following these maintenance steps, you can ensure that your circular saw remains in good working condition and continues to deliver accurate and efficient cuts.5. Two methods of making miter cuts with a circular saw are:1. Using the miter slot: Most circular saws come with a miter slot that allows you to make precise miter cuts. To use this method, adjust the saw's angle to the desired miter angle (commonly 45° or 30°). Secure the workpiece against the miter slot using the fence or a clamp. Lower the saw blade onto the workpiece and make a slow, controlled cut. This method provides accurate and consistent miter cuts.2. Using a miter gauge: A miter gauge is a useful accessory for making miter cuts with a circular saw. It consists of a sliding fence that can be adjusted to different angles. Attach the miter gauge to the saw's fence or use the built-in miter slot if available. Adjust the saw's angle to the desired miter angle and secure the workpiece against the miter gauge using a clamp or by sliding it against the fence. Lower the saw blade and make a controlled cut. This method offers more stability and precision compared to using the miter slot alone.Both methods require practice and patience to achieve accurate miter cuts. It's important to refer to the manufacturer's instructions for specific guidance on how to set up and use the miter slot or miter gauge for optimal results.