• seven-level
• seven-levels
• seven-level screwdriver
• seven-level screwdrivers

seven-level (suomeksi)

Määritelmät:

• (lb, en, military, US) A person who has qualified for "Craftsman" level of skill in the United States Air Force, with more training than "Journeyman" (five-level), but less than a "Superintendent" (nine-level)
• Short for seven-level screwdriver, so-called because it was standard seven-level equipment.