Possible Clues:

• Takes back stolen goods and gear from the mechanic's locker
• Collection of useful implements — assumed it to be about fifty
• What handyman has flipping spoils apparel
• Carpenter's gear
• Flier taking odd look inside where plane's stored?
• Assumed student plugged in problem-solving software?
• If with 30 across one's kilt is in bits, this should help one to repair it