When using power equipment like this, it’s important that you operate it safely, not only for your own safety, but for those around you. Some of the safety tips include:
Reading, understanding, and following the manufacturer’s instructions
Wearing goggles to protect your eyes
Wearing heavy duty footwear
Positioning the cable away from the cutting direction
Ensuring that the equipment is completely switched off when removing foliage stuck in it or before replacing or repairing the cable.