De or het lichtwering?

The correct Dutch article is:

de lichtwering

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

How to use lichtwering

the lichtweringde lichtwering
this lichtweringdeze lichtwering
that lichtweringdie lichtwering
our lichtweringonze lichtwering
your lichtweringjouw lichtwering
every lichtweringelke lichtwering
which lichtwering?welke lichtwering?
a big lichtwering / the big lichtweringeen grote lichtwering, de grote lichtwering