Fill in the gaps below with the appropriate p.participle of the verbs in brackets.
There are various reasons why prototypes are ……………….1 (build) and why rapid prototyping is widely …………….2 (use) in engineering. First, effective communication is ……………….3 (increase) and development time is ………………….4 (decrease). Second, costly mistakes are …………………5 (avoid) and engineering changes are ………………6 (minimize). Corrections are easily ……………….7 (make) early in the process and product lifetime is ………………..8 (extend) as necessary features are …………………9 (add) and unnecessary ones are ………………..10 (eliminate).