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Obvious one is ofcourse that the safety glasses shield the eyes from sparks and splashed hot material. Another very important reason is that during the welding process ultraviolet rays are emitted and can and do cause harm to the retina and other parts of the eye. In fact, one should not look directly at the welding process even from some distance without protecting the eyes.
Both are shielded metal welders but differ in the electricity they use. Ac welders can weld heavier metal while dc welders are better for thinner metals. Ac welders can weld magnetized metals. Dc welders can not. The arc in an ac welder is harder to control because of the pulsating current. Dc welders are more expensive. Some welding machines offer both options.
6 months
its the house-holder
The Principal is responsible for all activities in the school. therefore the Principal is ultimately responsible for ensuring that safety checks and maintenance are done, within the constraints of the budget provided.
The Secretary of Defense is ultimately responsible for the safety of all military and civilian personnel and property. They work in conjunction with the respective service branch secretaries to ensure the safety and security of the entire Department of Defense.
The pilot ! Ultimately s/he is responsible for all safety checks, passenger safety, door security and safe operation of the aircraft.
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You are responsible for your personal safety.
A collateral duty safety officer is responsible for recognizing and reporting hazards. They are responsible for the safety of workers.
The Swiss Guard is responsible for the pope's safety.
The Swiss Guard is responsible for the pope's safety.
The teacher, instructor, or other person responsible for organizing the learning environment is responsible for the safety of that environment.
The chief is the leader who is ultimately responsible.
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