De or het conditiebewaking?

The correct Dutch article is:

de conditiebewaking

Rule Words ending in -ing: almost always de. See the rule

How to use conditiebewaking

the conditiebewakingde conditiebewaking
this conditiebewakingdeze conditiebewaking
that conditiebewakingdie conditiebewaking
our conditiebewakingonze conditiebewaking
your conditiebewakingjouw conditiebewaking
every conditiebewakingelke conditiebewaking
which conditiebewaking?welke conditiebewaking?
a big conditiebewaking / the big conditiebewakingeen grote conditiebewaking, de grote conditiebewaking