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TRIZ Matrix and the 40 Principles are based on G. Altshuller's work.
Website by PAO and Olivier Goguel
You need a static object to be longer without becoming heavier. This is a contradiction. The improving feature is ' #4, length of stationary object ' and the worsening factor is ' #2, weight of stationary object '.
Use the matrix to discover possible ways of solutions, the PRINCIPLES
W o r s e n i n g F e a t u r e