Question

what is the preferred type of tool for cleaning lead battery post?
scrapper style
brush style
air pressure with chemicals
do not clean battery posts as they could be damaged

Explanation:

A brush - style tool is preferred for cleaning lead battery posts. Scrapper - style tools can damage the post. Using air pressure with chemicals is not a common or practical method for general cleaning. And it is incorrect to say that battery posts should not be cleaned as they can accumulate corrosion which affects performance. A brush - style tool can effectively remove corrosion without causing damage.

Answer:

B. Brush Style