Great lesson!
The engineer paid (in $) his knowledge (long ago) and took the time to check it in practice.
Young masters have spent time and money, but they have not solved the problem.
I bet a lot more than $ 1000!
Interesting and instructive.
Great lesson!
The engineer paid (in $) his knowledge (long ago) and took the time to check it in practice.
Young masters have spent time and money, but they have not solved the problem.
I bet a lot more than $ 1000!
Interesting and instructive.