Electric motors for machines with a digital servo drive controller; Electric pumps; Electrical water pumps for swimming pools, spas, baths, and whirlpools; High frequency motor spindles with high frequency electric converters and power supply units; Metal working machines, namely, machining centers; Pneumatic pumps; Pneumatic valve actuators; Valves being parts of machines; Water pumps for spas, baths, whirlpools, swimming pools, water filtering units; Wire hoists