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Powder Hopper Loaders 
Page 17 
 
2-8 Safety 
 
2-8-1  Description and Objectives 
This section includes information on safety devices and procedures 
that are inherent to the Powder Hopper Loading system. This 
manual is not intended to supersede or alter safety standards 
established by the user of this equipment. Instead, the material 
contained in this section is recommended to supplement these 
procedures in order to provide a safer working environment. 
 
At the completion of this section, the operator and maintenance 
personnel will be able to: 
 
•  Identify and locate specific safety devices. 
•  Understand the proper use of the safety devices provided. 
•  Describe the function of the safety devices. 
 
 
2-8-2  Safety Circuit Standards 
 
Safety circuits used in industrial systems protect the operator and 
maintenance personnel from dangerous energy. They also provide 
a means of locking out or isolating the energy for servicing 
equipment. 
 
Various agencies have contributed to the establishment of safety 
standards that apply to the design and the manufacture of 
automated equipment. The Occupational Safety and Health 
Administration (OSHA) and the Joint Industrial Council (JIC) are 
just a few of the organizations that have joined with the plastics 
industry to develop safety standards.