environments

a factory is a controlled environment 

which makes it easy for humans to succeed in their work 

boss tells supervisors to build a car 

one supervisor tells worker to build a car chassi 

another supervisor tells workers to build interior of car 

if mistakes are made then those situations could be easily managed 

because a factory is a controlled environment 

repairing sidewalk is a less controlled environment 

which makes it less easy for humans to succeed in their work 

boss tells supervisor to repair sidewalk 

one supervisor tells worker to bring equipment 

another supervisor tells workers to set up repair site 

if mistakes are made then those situations could be less easy to manage 

because repairing a sidewalk is a less controlled environment 

shopping is not a controlled environment 

which makes it difficult for humans to succeed in that task 

a wife tells her husband to buy a perfume for her 

one shop suggests that husband buy their new perfume 

another shop suggests that husband buys their popular perfume 

if mistakes are made then those situations could be difficult to manage 

because shopping is not a controlled environment