Translation of bulletproof in Spanish

Yes, as usual, if you don't see me on messenger just drop me an email. And yes, your sentence is almost perfect, but I would like you to refer to it as lower end... so maybe there are similar words to 'enrichment' and also you could use the negative form.
This afternoon I will fly to Chile. My two brothers and sisters live there. They are also very old and my brother has already died. My parents emigrated 30 years ago, but they wanted to stay.
When I flew to Korea, I was very nervous because this was the first time I had visited a country outside the European Union. Asia is far away for us and is culturally very different.