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steadying bar along the bottom of
triangle hemline, in order to make
the hemline of two square blocks
for fixing steadying bar parallel
with triangle hemline.
4.To open two steadying bars on the
left and right side through turning
forward or backward, thus triangle
warning board’s overall frame will
be formed.
5.To put triangle warning board at
the back of parked automobile
(about 50m-150m away), with
reflecting face towards the coming
vehicle and parallel with driving
direction.
6.Triangle warning board can send
warning signal, implying that there
are troubles in parked vehicle.
Special hint: Driver should turn
on hazard warning signal lamp
before placing triangle warning
board.
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