How does the author use imagery in the novel, Too Many Cooks?

Examples of Imagery:

“A pig whose diet is fifty to seventy percent peanuts grows a ham of incredibly sweet and delicate succulence which, well-cured, well-kept and well-cooked, will take precedence over any other ham the world affords.”

“He threw up his hands and waved them around, and shook all over, and laughed as if he never expected to hear a joke again and would use it all up on this one.”