Custom Bid For Services - Schedule A: Quarterlymaintenance Of Fire Extinguishers , Custom Bid For Services- Schedule B: Hydraulic Pressure Testing Of Fireextinguishers , Custom Bid For Services - Schedule C:Refilling Of Fire Extinguishers , Custom Bid For Services -Schedule D: Recommended Spares For Replacement On Needconditional Basis Of Fire Extinguishers Quantity: 4