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.

Make a paraffin plug model! #Handmade #DIY #Craftsmanship

Arnav apne bhai ko malish kr rha🥰#awesomeshobhavlogs #shortvideo #shorts

カリフォルニアアシカ「シルク」のヒレが当たっちゃった — 鳥羽水族館での瞬間

Peacock Mantis Shrimp vs Electric Eel Fight

2-Gallon Cookie Jar Reef — 4 Month Saltwater Update