community preparedness (organizing, financial resource survey, conflict resolution preparedness, willing to setup an O&M fund, etc.)
communicating across cultural barriers
technically coping with what's available in local stores, and what technical knowledge people have.
http://en.wikipedia.org/wiki/Intercultural_communication_principles
Intercultural resources and self-quizzes:
http://www.kwintessential.co.uk/resources/culture-tests.html