使用实时摄像头进行垂直钻孔检查. Vertical Borehole Inspection Live Camera

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[@DanielAwan-sf4vt]

Thanks for uploading informative video

[@amiraeus]

Very informative video, keep up the good work and sharing knowledge ameen

[@EngineeringsPractices]

Thanks Sir 👍

[@HassanAbbas-qh2ce]

Very informative

[@easycookingtours5296]

Good Work

[@LallKhan-jf4yn]

Good work

[@zohaibshabirahmadani8127]

Excellent

[@SadaqatAli-ek9ds]

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