About TT
Problems
Case studies
Solving process
Optionally
TRIZ-Matrix
search
Full access
accessibility_new
Login
Home
Problems
Series 5
Test problems – Series 5
Series
1
2
3
4
5
6
7
8
5.1 Frying pan
5.2 Fast inflation of a life cushion
5.3 How to make a wooden sailboat keel
5.4 Cooling the rocket engine nozzle
5.5 Production of herbage mixture
5.6 Crane ship
