Hammer or percussoin drills are great for drilling holes into brick work.
Store tools stored in dry, secure locations where they won't be tampered with.
Do not clamp the machine body in a vice.
Place effective guards over belts, pulleys, chains and sprockets.
Check that speed of abrasive wheel is compatible with the machine speed.
The power of a cordless drill is proportional to the voltage (approximately), the voltage is also proportional to the weight (approximately).
Keyless chucks are easier, because there's less fiddling involved.
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