Bosch GLL40-20G Operating/Safety Instructions Manual page 7

ALWAYS position the laser tool securely. Damage to the laser
tool and/or serious injury to the user could result if the laser tool fails.
ALWAYS use only the accessories that are recommended by
the manufacturer of your laser tool. Use of accessories that have
been designed for use with other laser tools could result in serious
injury.
DO NOT use this laser tool for any purpose other than those
outlined in this manual. This could result in serious injury.
DO NOT leave the laser tool "ON" unattended in any operating
mode.
DO NOT disassemble the laser tool. There are no user
serviceable parts inside. Do not modify the product in any way.
Modifying the laser tool may result in hazardous laser radiation
exposure.
DO NOT use the laser viewing glasses as safety goggles. The
laser viewing glasses are used for improved visualization of the laser
beam, but they do not protect against laser radiation.
DO NOT use the laser viewing glasses as sun glasses or
in traffic. The laser viewing glasses do not afford complete UV
protection and reduce color perception.
DO NOT use any optical tools such as, but not limited to,
telescopes or transits to view the laser beam. Serious eye injury
could result.
DO NOT stare directly at the laser beam or project the laser
beam directly into the eyes of others. Serious eye injury could
result.
Keep work area clean and well lit. Cluttered or dark areas invite
accidents.
1.800.544.2843
Work area safety
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