With the darkness of winter
evenings on them again,
joggers, walkers, hikers and
long-distanee runners should
take heed of their safety in
traffic. The jogging LED
deseribed in this article is a
small circuit which emits a
brightly flashing light in a
steady rhythm. With the
circuit attached to your arm,
you will be noticed earlier by
approaching traffic. Health
with a secure feeling!
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