====== Tutorial-Re-useable components ======

===== 1/5 =====

**Overview**

In this exercise you will modify three existing models to make them more user-friendly, and also define their interfaces to other models by using model input/output blocks.

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**The model**

The first model is a model of contamination of an agricultural land by deposition. The second is a model for the contamination of food, given a concentration in soil. The last model calculates doses to humans, given concentrations in food, air, water, soil etc.

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**Next**

  * Using a general variable (2/5)

**References**

  * [[Tutorials|Back to Tutorials]]
  * [[Ecolego_Wiki|Home]]