Almost right.

"Precision german (CSS) engineering"

@GodlikeBlock At first, when no hole was visible on the left side, we tried to perforate the surface below the cap,.. because it cannot be attached that wrong, can it?

Don't drink shitty water.

Thought it was table water, sorry If I was wrong

@IntrusionCM It's mineral water, never consciously saw table water sold here (Germany - tap water quality is allegedly even better than mineral water in some places, so no need to go for the strange candidates I saw, like water picked at certain moon phases or some where they sucked out the minerals and then put them back at their will)