E. coli is a gram-negative bacteria, shaped like a rod. Escherichia coli is usually found in the lower intestine of humans and present in fecal matter. Most urinary infections are caused by inadvertent transfer of fecal matter into the urethra. The E.coli present in the fecal matter, and then infect the urinary tract.
Warnings. 1  Always disconnect the negative cable or terminal first when you are working with a car battery. Failure to do so could result in electrical sparks and severe burns. 2  Metal may conduct electricity and cause severe burns.
Remove both battery cables from the battery terminals. First remove the negative (black) cable and then the positive (red) cable. Check that the charger is not plugged in to an electric outlet and that the power switch is off. Connect the positive (usually red) charger cable to the positive (+) battery terminal and the negative (usually black) cable to the negative (-) battery terminal. Decide whether you want to charge the battery slowly (trickle charge) or quickly.