Is there anyway of making both the services and digital content product types exempt of shipping charges and only charge the consumable or the stockable products shipping.

For example: A basket as follows:

• 2 x Digital content = $40

• 1 x Consumable = $20

• 1 x Stockable product - $10

• 
  

The shipping being based on the consumable and the stockable products only ($30) - with the digital products being exempt shipping as this would not apply.

So far - I have only seen how you can apply a rule to the basket total, not the product.