How to prevent foundation cracks.

Step 1: Drill holes into the ground	00:41
Step 2: Pour pea gravel into the hole	01:28

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Learning Level	Intermediate Viewers Viewers have some previous experience.
Teaching Level	Expert teacher Teacher shared deep insights and conveyed them in an enlightening
Learning Outcome	High learning lift I learned a lot
Entertainment Value	Mildly entertaining Kept my attention
Length	Fine length Got points across in the allotted time