a. separate handles for both hands when wearing gloves
b. an on/off switch (reachable with the right hand on the throttle)
c. a throttle control lock-out (prevents the chainsaw from being started unexpectedly)
d. a rear handle guard (for protection of the right hand)
e. an anti-vibration system, consisting of rubber shock absorbers between the engine block and handles (prevents vibration diseases of the hands)
f. a chain brake (activated manually by the front handle guard or by means of a non-manual mechanism in the case of kick-back)
g. a chain catcher (catches the saw chain if it breaks)
h. a spiked bumper (allows the weight of the saw to rest securely)
i. a front handle guard (for protection of the left hand from the chain)
j. a chain guard (for avoiding injuries during transport of the chainsaw)
Personal protective equipment is also required (see
checkpoints 100–105).