Answer:
Assembly line.
Explanation:
The interchangeable parts was a game-changing concept for the manufacturing industry during the Industrial Revolution.
It was first introduced by Eli Whitney, also the inventor of the Cotton Gin, and later was perfected by Henry Ford, who was the first to create a continuous moving assembly line. The Interchangeable parts are identical pieces created from a master model and are so similar to each other, that they can fit into any line of production of the same kind.
Thanks to these advances, the manufacturing process across all industries could be now faster, more cost-efficient, and profitable.
I think it’s number 1. Check the answer first.
The correct answer is A. The thrust bearing
It is used to help limit the front-to-back movement of the crankshaft.
Answer: A class that implement an interface must contain methods for all abstract methods in the interface. Otherwise, the class must be declared as abstract.
Explanation:
It is necessary to implement all the abstract method that are present in the interface. Basically, this is one of the rule of abstract method. As, abstract method is define as without any implementation.
If any class contain abstract method then, it must be declare as abstract. Therefore, if a class are not implemented an interface method then, it should be declare as abstract.