Poor family people are flocking to see the old-fashioned train❔😱

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

Fertilization, Journy of sperm in search of egg begins part 2🏁🥚 #Fertilization #scienceexplained

Human Evolution in 3D 🌍 | मानव का विकास |#goodhints #facts #shorts #gktricks