Me i know iam not perfect, and i would never tell another person that the model they built was not perfect, ive seen so many models on model sites and shows that they put all this extra stuff on the model like brake lines, gas lines, hoses, carpet on the floor and other stuff but they forget the most obvious item on the outside of the car, The valve stems,. Now should i say nice work on the model but hey you forgot the valve stems, no, i wont do it, because my models are not perfect. Maybe iam wrong at that i dont know.