Do you know? What is the meaning of the different colour of safety helmet?
https://amtiss.com/wp-content/uploads/2017/02/49180035_m.jpg 848 565 ivan ivan https://secure.gravatar.com/avatar/b45f6d8df82921d2fc00f59170e3898e?s=96&d=mm&r=gHead injury accident is one kind of the major occupational accidents, particularly in the construction industry. Every year many workers injured or are even killed as a result of head injury. The main risks of head injury in the workplaces are as follows: where there is a possibility that a worker may be struck on…
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