It is recommended that you take a look at the circuit diagrams of some simple instruments, maintenance manuals, troubleshooting, and so on, and will not really let you do it during the internship, so you know what's going on when you look at it. There is also a need to figure out which equipment is used in which departments, so as not to make jokes.
As for the warehouse, it is also to help send shipments, careful not to make mistakes on the OK, it is recommended that you figure out the name of the types of supplies in each department.
There is also a point to figure out whether they have a recruitment program, it is very important not to find a job when they are delayed.
As for the rest, you know, good luck!