Add circular saw syllabus

Author: cazagen

syllabuses/Workshop/Circular Saw/syllabus.md

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+# Handheld Circular Saw
+
+## Safety
+
+### PPE
+
+* Safety glasses required
+* Hearing protection required
+* Respirator recommended when cutting treated wood or producing fine dust
+
+### Entanglement risks
+
+* No loose clothing or cables
+* No gloves
+* Long hair must be tied back
+* No jewellery/watches
+
+### Kickback risks
+
+* Always hold the saw firmly with both hands
+* Allow the saw to reach full speed before beginning a cut
+* Never start the saw with the blade in contact with the workpiece
+* Always support workpiece so the kerf does not close up behind the blade
+* Avoid binding by allowing the cut-off to fall freely or be supported
+* Never remove or disable the lower blade guard
+* If the blade becomes jammed, release the trigger immediately and hold the saw in place until the blade stops
+
+## Startup checks
+
+### Surrounding area cleared of obstacles
+
+### Other workshop users alerted to keep clear and use appropriate PPE
+
+### Blade and guard condition checked
+
+* Power off and remove battery when performing checks
+* Blade is sharp and undamaged
+* Blade is installed correctly, tightened, and rotates freely
+* Blade guard moves freely and returns to cover blade automatically
+
+### Check for correct blade type
+
+* Use appropriate blade for material (wood, plastic, etc.)
+* Do not use dull, damaged, or inappropriate blades
+
+### Workpiece free of metals (nails, screws) etc.
+
+### Stable cutting surface
+
+* Workpiece secured using clamps or bench
+* Ensure both sides of the cut are supported to prevent binding
+
+## Usage
+
+### Starting the machine
+
+* Position saw with blade clear of workpiece
+* Hold securely with both hands
+* Press safety switch and trigger to start
+* Allow blade to reach full speed before contacting workpiece
+
+### Stopping the machine
+
+* Release trigger to stop blade
+* Keep hands on saw and wait for blade to stop fully before setting it down
+* Do not set the saw down on its side or while blade is still spinning
+
+### Making straight cuts
+
+* Mark cut line clearly
+* Align blade to cut line using notch or guide
+* Hold the front and rear handles with a firm grip
+* Keep baseplate flat on the workpiece throughout the cut
+* Feed saw steadily along the line, do not force
+* Let the blade do the cutting
+* Always cut on a stable surface, with workpiece clamped
+
+### Bevel and plunge cuts
+
+* Adjust bevel angle as needed and tighten adjustment knob
+* For plunge cuts:
+  * Check manual for correct plunge technique
+  * Begin with front of baseplate in contact with workpiece
+  * Pivot saw down slowly until blade enters the material
+  * Do not plunge into hidden voids, knots, or metal
+
+### General
+
+* Never saw freehand without guiding edge or clear markings
+* Never bypass the safety mechanisms
+* Never adjust the bevel, depth, or blade while running
+* Maintain a balanced stance, do not overreach
+* Keep both hands on the saw at all times during cutting
+* Always let the saw come to a complete stop before removing it from the cut
+
+### Intended Use (appropriate materials)
+
+* The handheld circular saw is designed for straight cuts in wood and sheet materials
+* Can be used for plastics and soft metals (e.g. aluminium) with appropriate blade
+* Not intended for cutting masonry, tile, or hardened metals
+* Typical max cutting depth (guideline):
+  - ~55mm at 90°
+  - ~40mm at 45°
+
+## Post Cutting
+
+* Remove battery
+* Clean the area of sawdust and offcuts
+* Remove and store clamps and guides
+* Allow blade to cool before inspecting or changing
+* Return saw to storage with blade guard locked in place
+
+## Maintenance
+
+### General
+
+* If there are any issues, please contact a maintainer listed on the power tools wiki page. Example issues: motor stalls, damaged cord, guard malfunction
+* Do not attempt to change the blade without supervision or training
+* Always clean saw and store with blade guard fully covering blade