Biogas workshop I

TH Culhane explaining the Puxin biogas plant to biogas training course participants.

serie

photos

Cam

NEX-7

Exposer Time

1/400s

ISO

200

Aperture

f/5.6

Books

Pure floppydiskism on 68 sites, printed on 200g paper. Text is in English.

The last episode of the Ruhrpott tetralogie is now online at Ruhrpott Part IV - long…