Banks, accountants, - supply lines.

Cutting off union supply lines.

Unit 2's clear. One supply line.

Hey, hurry up with that supply line.

An approach for identifying supply lines

I'm thinking of opening upanother supply line.

Cut off the invading army's supply line.

So she's messing with their supply lines.

But then your supply line dried up.

I will tighten supply lines with food and ammunition.