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2.5.2 Qualifications
The operator is required to accept guidance and training of the owner, and the operator is
responsible for the safety of a third party in the working area; the personnel required for further
training and guidance are required work or operate the machine under supervision of the
operators.
2.5.3 Responsibility
It is a must to clarify the related responsibilities of each performance (operation,
maintenance, parameter setting), and carry it out. Unclarified responsibilities will cause safety
hidden risks.
Owner is required to provide operation manual for the operators and maintenance
personnel, and ensure that they have read and understood the operation manual.
2.5.4 Personal protective devices
When technology or measures fail to absolutely avoid risk of health, the owner is required
to provide personal protective devices for operator and maintenance personnel. For example,
Protective gloves;
Laser-proof goggle;
Light respirator
2.6 Special product risks
2.6.1 Laser radiation risk
Based on level of potential risk of laser radiation, the national standard GB 7247.1-2001
makes classification for them. Laser class applicable for this laser marking machine depends on
operation mode. The followings are abstract of laser device classification prescribed by the state:
Class 1: safe laser device under reasonable and foreseeable working conditions
Class 2: laser device is emitting visible light at wave length of 400nm-700nm. Generally,
avoidance response including blink reflection provides protection.
Class 3A: safe laser light visible to naked eyes. Generally, avoidance response including blink
reflection provides protection. Harm to naked eyes of other wave lengths will be less Class 1
Personal protective devices shall not be provided together with the laser marking
machine.