Virtual backpack is to store your resources in case of a server wipe. However, in our servers there is no intended future wipe. Currently, you can use them to store your items as you need.
More information about virtual backpack can be found with the command /vb help or you can get more information about it from;
In order to vote, you need to follow the voting link provided in PDA section. Simply follow this order:
The votes are renewed weekly and you can get additional info about voting by using the command /vote help.
You can find information about resources in PDA section. Just follow this order:
In order to be able to place a heavy item or pick up a heavy item, you need to be connected with a container. You can connect with a structure either through accessing it when it is in range of a Logistic Network or accessing it physically.
Whether you access a container through hitting F4 or physically, you need to click on the CONNECT button (as shown below) in the Logistic menu.
After that it will be possible to place the item in your toolbar to use it as needed. You can switch between your manual toolbar and connected toolbar by pressing T.