

I have this black bar too.
Every 15000km,
This is the funniest thing i have seen in a very long time and upvoted because
The trick is to keep soldering tip always wet from solder and only clean it just before you solder. Second, always when done soldering and you cool down you soldering iron, melt fresh solder on the soldering tip before it cools down.
I think bots are too agressive posting everywhere. example linkbot, it has posted over 20000 posts and its only one month old account.
Day or two a go while browsing feed set to sort all and new, i saw there was a bot posting same news article three different communities, all different instances, and a another bot posting the same exact news article fourth time on the same community that allready posted.
I dont think it is necessary from bot to post same content on multiple communities.