Small Batch size
Example: fill envelops - you have 10 envelops to fill with a letter. You have 4 steps
- Fold the letter.
 - Put the letter in the envelop.
 - Write the address on the envelop.
 - Seal the envelop.
 
Example: fill envelops - you have 10 envelops to fill with a letter. You have 4 steps