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.
How it's done: 1  The battery is located. The battery terminal ends are verified that they need to be replaced. The battery terminals are disconnected. 2  The defective battery terminal ends are removed by cutting the cables or unbolting the connections. 3  The battery terminals are cleaned.