Gem Bids For Facility Management Service- Manpower Based Version 2 -industrial; Providing Assistance In Checking, Counting Andestimation Of Contaminants; Semi-skilled, Facilitymanagement Service- Manpower Based Version 2 -industrial; Prepartion Samples For Chemical Analysis; Skilled, Facility Management Service- Manpower Based Version 2- Industrial; Providing Assistance During In Shift Operations;skilled