Hydraulics
By Doctor McWheelieFrom boclips.com
624.6K views
110.1K likes
The dump truck helped the excavator at the construction site - it took away the excess earth remaining from the foundation pit. But the truck body stopped lowering... Doctor MacWheelie is already waiting for us in his repair shop to find out why the mechanism no longer works.
Tags
Explainer
Reading
Writing
and Literacy
Technology and Engineering
Pre-school
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