Answer:
a. jobs are more interchangeable and interconnected
Explanation:
An assembly line may be defined as a manufacturing process where several subparts of the product are assemble or brought together as they they move from one workstation to another workstation in a process line until the final assembly is made.
In organisations, large assembly line are replaced by workplaces where workers perform their jobs in mutual cooperation among them. In workplaces the different jobs to be performed are interrelated to each other, so the workers do their job together helping and performing together.
Here the workers are competent and they can interchange their jobs and increase their efficiency.
Hence the answer is ---
a. jobs are more interchangeable and interconnected.