a) Common hand tools mentioned in the text include: BuildCo nut drivers, Phillips screwdrivers, slotted screwdrivers, ball peen hammers, claw hammers, levels, plumb bobs, utility knives, hacksaws, wallboard saws, and plastic pipe saws.
b) Plumbers should bring all of their tools to a job to ensure they can handle any task that arises, from cutting pipes to tightening nuts and bolts.
c) Grammatical phenomena that can be analyzed in the text include: verb tenses (Present Simple), noun plurals, and the use of adjectives to describe tools.
d) Present Simple verbs in the sentences in the text:
e) The Genitive case (possessive case) is "Bob's Hardware." This indicates that the hardware store belongs to Bob.