Jackhammer is machine for construction, mainly for breaking for displacing objects. It was invented in 1849 By Willaim Mcreavy. It was a great invention but it’s a loud and hard machine to handle. You would need a strong and durable person to handle it.
Pin Tumber Lock is an invention that is greatly needed and used in almost every household. It’s used to protect houses from intruders, Its works with a key. You slide the key in, and the bible of the key holder will activate the Tumber locks and if the kay fits through it will unlock the door for you. If we didn’t have this every house would be in danger so be happy that we have this invention.
Safety pin is a not an invention really but more of a clip to hold and sow things together. it can be used in so many ways for holding keys, to sowing part of things together. There’s not much to say about this but it has a tipped point to pierce through anything if you need it.
Gyroscope is an invention that is unique to other scopes like the globe scope and more. it works with the way of wing and physics if you push it the gyro will push to the right and upwards but if you push it to the side, it will go upwards. It is a pretty cool invention, but it never had a real impact of the world, but it did educate and teach physics and wind physics.
Lesson Learning 