Possible Clues:

• Use a rowing machine
• Centimeter-gram-second unit of work
• Nothing more is needed to make a little energy, therefore
• Indoor rowing machine, briefly, in rowers' jargon
• Work unit helps to make detergent
• About 624 billion electron-volts
• Unit of work therefore incomplete
• Foot-pound fraction
• Amount of work - Grenadier Guards have it both ways
• One of a joule's 10,000,000