Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
|
from
login
Why can't a gear have less than 17 teeth
(
machinemfg.com
)
13 points
by
thunderbong
49 days ago
|
past
|
6 comments
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
