Answer:
industry, Former, old stereo
Step-by-step explanation:
indusry, it explained what went into the industry helping me better understand what was being read a telling that it is a buisness.
former, it gave clues on what former meant by using past tense this giving hints a what former (no longer doing what they were employed so maybe; like old or not at that job anymore) is.
old stereo, says speaker next to it so telling that ann old stereo is a speaker of sorts.