The heads and engine block will need to be Hot tanked, Blasted, and Baked until they are perfectly clean, and any of the external covers will need to be bead blasted to be ready for paint later on.
<h3>What is
an engine block?</h3>
There is an engine block that is present in the internal combustion engine. Here, the engine block is loaded with cylinders and other components.
On the other hand in the early automotive engine, there was also an engine block. Here, the engine block is loaded with just the cylinder block. It was constructed in such a manner that it separates the crankcase.
Thus, heads and engine blocks are needed.
An image is attached for better understanding.
Learn more about an engine block here:
brainly.com/question/16430308
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Evolution theory................................................................
Functionalism i think that is the answer..