Background of flowing bentonite mortar being used in well boring, HD 1080p with ambient sound.

Name: Background of flowing bentonite mortar being used in well boring, HD 1080p with ambient sound.
Uploaded: 2017-05-22
Duration: 29 s
Channel: nikkytok
Description: Background of flowing bentonite mortar being used in well boring, HD 1080p with ambient sound.