21. In making an extension cord, which of the following materials do you need? A Electric plugs B. electric drill TOUC. multi-tester D. power source
22 What should you do with the wire before peeling it off? A Separate one end of the electrical wire. C. Insert the wire into the plug. B. Loosen the screw of the plug. D. Tighten the screw to secure the wire.
23. What should be the first step in making electrical gadgets? A. Prepare the materials needed. C. Clean the area. B. Seek for technical assistance. D. Test the project.
24. Which part in an extension cord is used to plug to connect to the source of power? A. Male plug B. Female plug C. Wire D. Screws
25. What should you do after completing the extension cord that you made? A Try it out if it works C. Let a technician check your work B. Keep the materials that you used properly D. Check if there are exposed wires
26. What process involves fixing or restoring something back in a good condition? A. Repair B. Maintenance C. Constructing D. Checking
27. What is done in order to sustain the upkeep of tools so they are in good working condition? A. Repair C. Constructing D. Checking B. Maintenance What tool is used in repairing a leaking faucet?
28. A. Pliers B. Screw driver C. Pipe wrench D. hammer​