Prepare glass noodles according to package instructions which typically includes soaking them in water at a specific temperature for 15 minutes.
While glass noodles are soaking, grate carrots.
While glass noodles are soaking, grate cabbage.
Drain glass noodles.
Stir fry cabbage and carrots for about 2 minutes over medium heat.
Add drained glass noodles and stir fry for another 1 minute.
Add salt near the end of stir frying.
Allow mixture to cool.
While mixture is cooling, mix flour well with a little water to create a runny mixture that is thick enough to be used to stick the spring roll pastries together.