A prototype of a new vehicle is created to see if it will meet all of the design’s criteria. An engineer is asked to design a new vehicle that can assist with harvesting genetically modified corn. There are no vehicles available that can work with this new type of plant. An engineer returns to the farm where his vehicle is now being used to harvest the genetically modified corn; he ensures that it is working properly and meeting the needs of the farmer. The option "building a model" (2 of 3) has been selected. Press tab to choose a response area, and spacebar to insert it. Press escape to cancel. identifying the need building a model preventative maintenance