paano makapasa sa nc 2 domestic refrigeration and airconditioning
33:58
RAC servicing NC2 Basic refrigeration cycle
30:11
DomRAC NCII Michael & Randy
19:34
Paano magkarga ng freon sa aircon,ano ang dapat gawin watch this video step by step for you
20:09
tools for ref and Aircon technician/mga gamit pang ref at aircon technician
15:19
atık yağ ısıtma sobası mini 3'ü 1 arada! Milyonlarca insan bu bilgiyi bilmiyor
10:43
HVAC 128 Recovery most used but slowest
30:29
Geniale Bauarbeiter, die auf einem anderen Level sind
42:22