Testing strength of types of concrete - GIF

Testing strength of types of concrete.

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Previously:

Assembling a precast concrete building - GIF
Filling a concrete mixer from a distance - GIF
Forming concrete stair treads - GIF
Four man wet concrete object retrieval technique - GIF
Why Roman concrete was so durable - photo

That's the "Hydraulic Press Channel" on YouTube. It's a male and female (excuse me for using politically incorrect pronouns, whatever that means) from Finland. They do some very entertaining things with presses.