Hello dear player, thanks for downloading my datapack. First you need to do is to make sure that you've already installed resourcepack and watched video on my chanel. In this folder you can see crafting recipes and how to build a career and it's base. The only thing you can change in this construction is that you can place lava instead of the hopper. Honestly you can place everything instead of the hopper but keep in mind that career will teleport items that were mined by it. Don't change other blocks of construction( for example chest, blocks of colored concrete and etc except the hopper). 

Upgrades. 
If you want to modify career with upgrades you need to craft them and then THROW them on the red block(red concrete block that is behind the chest) in front of the career's base. If you want to return them just right click on the invisible armor stand that is holding them. Type `/trigger help.eng/rus` to know more about placing a career.
There is also a secret item in my datapack. It can be crafted in the forge crafting table. It's crafting recipe is related to my skin(minecraft skin), especially my head.
I hope this information helped you. Thank you and good bye!

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