34
Notes on Usage
Doing so may compromise trac safety and
cause an accident.
Using continuously for a long time with too
loud volume may cause a hearing loss, etc.
And, if you cannot hear the sound around
you clearly, it may cause an accident.
Itching, rashes, eczema, etc. sometimes
occurs depending on your physical
constitution and condition.
For the materials of each part (
u
P.36
"Material List")