How-toprocedural knowledge for a discussion of what sort of knowledge is imparted, and how far it can be imparted, in how-tos.
Other types of instructional documentation include FAQs, manuals and guides. Wikipedia contains some procedural knowledge, partially listed below. For a list of how-tos related to Wikipedia itself, see Wikipedia:Help. Many additional how-tos can be found at .
Science and Teaching
Life Sciences (including Food Production)
Language (and Geography/Culture?)
Literature (including Reference)
Arts and Crafts
Performing Arts and Music
Sports, Games, and Exercise