AndersI> Good point, I'll keep this in mind.
This pile is, however, old and not detailed - I just needed to find some copper ore fast. But I'll work on new pile soon. Thanks for info about minerals.
I'm amazed by Sanchimaru's copper ore, and I'm almost sure that he making good graphics will encourage me to improve myself.
White Rabbit> Thanks for the idea. I want to draw a rotating tube that unloads trains faster, and it would be available after certain date. It may come with modern unloading station, with more elements of metal
Ben_K, athanasios> It's fixed now. The ore doesn't look well, but I wanted to change it before going sleep. Your advices are valuable. I may make different designs as long as I have time, which I wish myself in bulk amounts
I'll wait some more time for more votes, but I think I'm making my choice (with you

)
NewGRF masters: is it possible to change (un)loading times on certain stations? Well, I know it's possible for vehicles, but I haven't found any info about this in, for example, wiki:Action0Stations