Which oil was designed to be used in the same place where mineral oil is used?
A) Alkyl benzene B) Polyol ester C) Glycol-based oil D) Mineral oil
Question 2
What is the purpose of the acetylene and oxygen regulators?
A) To reduce the tank pressures and maintain a steady pressure to the torch
B) To make turning the torches on and off more convenient
C) To provide an automatic safety shutoff in case of emergencies
D) To boost the gas pressure from the tank pressures to the pressures used by the torch
A tracheotomy tube in place, inserted through an opening in the front of the neck and anchored withi
Mining Mineral Resources
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