Wearing cotton gloves during chemical testing of a battery

The technician use extension wire from home and use in battery cables

The automotive student use flashlight to inspect internal part of the battery.

The technician chocks the wheels of the vehicle before attempting any repairs.

He pours gasoline fuel in the battery terminal to remove corrosion

Apply                                         to ensure that the vehicle will not accidentally move during servicing.

A device that checks and measure the voltage of the battery by taping or touch black and red probes is also  called as ___________________.

Connect one end of the jumper lead to the positive terminal of the booster vehicle battery and attached other end to the                             terminal of the weak battery.

Connecting negative jumper cable leads to the negative terminal of the stalled vehicle's battery during jumpstarting will create _______________

The ignition switch of both vehicles must be turn ____________during jumpstarting connection.