Hanging a shelf on a weak wall

by Onil90   Last Updated April 15, 2018 13:21 PM

I want to hang a couple of shelves in my room. The wall doesn't look very strong but I don't know exactly what is is made of. If knock on the wall if feels like if it was "empty". I was wondering whether I should drill holes and but plastic anchors or if it is better to screw directly into the wall.

What should I do? Any help will be very much appreciated!

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