How to repair expansion value, change expansion valve and fitting of cold storage in hindi and urdu

Hello freinds
In this video you Learn how to expansion valve remove ya open for repair and expansion valve parts identify very useful information for new Technician and how to fitting cold storage.
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[@user-el5hh7gn5o]

Very good work

[@allied-multiple-engineering]

alam o alekum men pakistan men coldtorage ka kam karta hon aik new technology hai jis men hum humidifier , energy recovery ventilator istemall karty hen

[@zahirtechnical7]

Walikam salaam g