Then they manage the affairs.
to carry out various commands
by the managers (angels) affair
And those regulating the Affair
So the regulators/arrangers/planners (of) a matter/affair/order/command
And those who carry out different orders of their Lord
And who plan the implementation
Then they administer affairs in an excellent manner
So as to carry out a command.
Then by the (angels) who manage different affairs well, Or By the waves of energy that, through mutual dynamism and coordination, maintain equilibrium and keep the balance of the management going for the survival of the system of the universe
Then those who administer the affairs in an excellent manner (shall reap the fruit of their striving)
And by those angels who arrange to do the Commands of their Lord, (so verily, you disbelievers will be called to account)