Tildes
Sidebar
~transport
Log in
Activity
Votes
Comments
New
All activity
from
last 1 hour
last 12 hours
last 24 hours
last 3 days
last 7 days
all time
other period
OK
Showing only topics in
~transport
with the tag "author.david szondy".
Back to normal view
/
Search all groups
‘Dolphin skin’ propeller boosts fuel efficiency of cargo ships
Article
452 words
12
votes