This is the 3nd of 3 weeks covering Powdered Milk and the 2nd of 2 weeks covering Evaporated Milk. Please refer to the original modules from Week 13 for all the information on Powdered Milk and Week 18 on Evaporated Milk.
Link: Week 13: Powdered Milk
Link: Week 18: Evaporated Milk
If your family doesn't use Powdered or Evaporated Milk, then find a substitution and store it instead.