by HowStuffWorks.com Contributors Home & Garden | Construction Planning. NEXT PAGENEXT. A prototype is a design tool used to help create a new product, much like a model. There are different kinds of prototypes; some are more like rough drafts and some are more like the final version.
Definition of rash - acting or done without careful consideration of the possible consequences; impetuous Definition of rash - acting or done without careful consideration of the possible consequences; impetuous
a rash is an abnormal condition and reaction of the skin a rash can be a symptom of a wide variety of mild to serious diseases disorders and conditions a rash can result from infection irritation inflammation allergy insect bites and other abnormal conditions a rash can occur in any age group or population