How to Read PFD? Process Flow Diagram हिंदी में -पीएफडी कैसे पढ़ा जाता है?

[@Usman.9234]

Very good imformation sir thank you

[@mdmashummashum5049]

Sar paiping magarment ke bare me veido banaiga

[@Pagaldunya]

informative... thank you 👍

[@shekharkumar100]

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[@NATURESAFARI.]

all unit ka vedio banaye sr.

[@NATURESAFARI.]

petroleum refinery ka vedio

[@shekharkumar100]

DHARMA SINGH th-cam.com/video/LyYpRG8GgF0/w-d-xo.html

[@mukeshkheda186]

Sir aap video kafi late upload karte ho

[@mukeshkheda186]

aapki video ka mujhe besbry se intjaar rahta h