Workshop requirements: cutting, drilling, copper, graphic transfer, graphic plating, film removal, etching, green oil, characters, gold-plated fingers, molding

Renovation requirements: wall panel: dustproof and anti-corrosion, floor: anti-static anti-corrosion, air conditioning: constant temperature and humidity, exhaust gas treatment.

Purification level: 100,000, 10,000, 1000, and 100.