How to use Plant Oil?

[Ivan Drago]

How do I use the Plant Oil for building? The oil presser created a big bottle that I can only lift by using right click.

[Bertie]

Your mech should pick it up automatically when you step on it, or you can use the vacuum

[Judhaa]

You can also right-click lift any item on the ground and bring it to the mech for it to store automatically, your mech is basically your backpack.