This is a Delmag jumping jack. It was an old school method of compaction . How it works is that when the throttle is engaged, the diesel engine fires and unleashes a violent mechanical or explosive force that compresses and then releases the springs, launching the entire 60 to 100-kg machine into the air.

Cristiano Ronaldo Best Football Skills Showcase

A cyclosporiasis outbreak has now affected more than 1,700 people and counting. More than two dozen states are investigating cases of the foodborne parasitic infection. While it’s not fatal, symptoms can include “frequent and sometimes explosive bowel movements,” according to the Centers for Disease Control and Prevention. The source of the outbreak is unknown; the cyclospora cayetanensis parasite can be hard to track as it can’t be reproduced in a lab and it is not always detected through food

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