You can create your workflows to match exactly how you go about fabricating your product. You can create as many workflows as needed for each of your products.
Assign workflow activities to workstations with priority and attach documents to the activity for reference.
Your workflows can be as specific or as general as you would like. Whatever steps you would like to document can be in your workflow. You can assign priorities, specific individuals or workstations to your steps. Include instructions, blueprints, resource materials, etc. to a step as reference materials to assist in getting the job done.