Mitford begins the essay with Hamlet’s “Yorick” and then later brings in “Mr. Jones” who is “reposing in the preparation room,” waiting to be embalmed. Why does the author use these characters in the essay? Which other rhetorical technique could the author have used?

Some connecting rods have to lubricate the cylinder wall or piston pin. the answer is letter d. graphite coating can be a major  additive to many  coating  systems and things such as connecting rods.  it functions as a refractory, lubricant, thermal conductor, and electrical conductor for a machine or thing to enhance its work.