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Good presentation, but your voice is very low sir. Please make a little more load so we can fully understand thank you very much
See my all recent videos. Everything is okk
Your teaching is of international standard thank you , can you teach welding defect according to asme and aws and extable and non extable it will be grateful
ua-cam.com/video/vFDMaHQ4kW8/v-deo.html ..💐
Thanks and please subscribe
no voice
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