All Services Engineering & Architecture Data Entry, Data Processing, Excel $10/hr · Starting at $25 Engineering services in respect to Energy and Mass balance, calculations, Maintenance tips etc.. and Data - Entry. About $10/hr · Ongoing Download Resume Engineering services in respect to Energy and Mass balance, calculations, Maintenance tips etc.. and Data - Entry. Skills & Expertise CalculationsData EntryEngineering 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts EngineersData Entry Experts