paano makapasa sa nc 2 domestic refrigeration and airconditioning
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RAC servicing NC2 Refrigerator charging refrigerant 134
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DomRAC NCII Michael & Randy
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HVAC 128 Recovery most used but slowest
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TESDA RAC NC II, RAC NC III JOB OPPORTUNITIES. #refrigeration #airconditioning #tesda #egc
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tools for ref and Aircon technician/mga gamit pang ref at aircon technician
6:26
Basic Refrigeration Cycle 6kV/6.6kV/10kV Trane 600 Ton Centrifugal Chiller
35:32
44 Comprendre le court-circuit
19:26