I did a reasonable amount of woodworking and some metalworking in the 1990s, but have recently been looking in to more industrial, bulk processes for http://8-food.com/

Others interested in physibles with an emphasis on bringing prototypes to manufacturing ready status through an enhanced understanding of materials and transformation processes available to industry and their limitations, one book I can thoroughly recommend is Fundamentals of Modern Manufacturing - Materials, Processes, and Systems (4th Edition). While not uniformly detailed, it has a rigid, logical structure that most programmers will probably find appealing.