Oil Must Never Be Used Around A(n) ____________________ Cylinder

Q17: Electrical power should always be shut off

Q18: Fires that involve ordinary materials such as

Q19: A fusible plug is a metal fitting

Q20: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9229/.jpg" alt=" -An R-22 cylinder

Q21: Refrigerants from a refrigeration system that has

Q23: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9229/.jpg" alt=" -A cylinder with

Q24: When transferring refrigerants from a cylinder to

Q25: In electrical circuits, the _ wire protects

Q26: Why should a ground fault interrupter be

Q27: When turning off the electrical power at