First, pre-operation inspection chainsaw various performance is good, safety devices are complete and meet operational safety requirements.
Second, check the blade should not have cracks, chainsaw various screws should be tightened.
Third, the operation to wear protective glasses, standing on the side of the blade, and the blade prohibit standing along the same line, not across the blade arm.
Four, the feed must be close to the patron, not too much force, in case of a hard push to slow section. Then expected to wait until the blade 15cm. Not hand deadlift.
Five, short narrow application of push rod material processing, splicing using planing hook over the blade radius timber ban on the saw.
Six, chainsaw maintenance overhaul should be off the job.
Seven, for safety reasons, the blade must be removed after use.