Activity 1. Direction: TRUE OF FALSE. Write the word "TRUE" if the statement is correct, and write the word "FALSE if the statement is wrong. 1. Water is the best lubricant for the electric and hydraulic tool, to prevent a corrosion. 2. Listening to the hydraulic pump can give you an idea on the smoothness operation of different parts. 3. The purpose of oil in the hydraulic pump is to clean the shaft or rod. 4. Before to start the checking and maintaining of the electric and hydraulic pump, an electrician needs to wear the proper PPE. 5. Oil lubricant can also be used to electrical parts of the electric and hydraulic tool.​