CAs and ECs Customer Attributes(CAs):Customers use to describe products and product characteristics. What do customers want? Engineering Characteristics(ECs): Engineers use to describe the products. How can we change the product? Shanghai Jiao Tong University 7Shanghai Jiao Tong University 7 CAs and ECs n Customer Attributes(CAs) : Customers use to describe products and product characteristics. What do customers want? n Engineering Characteristics(ECs): Engineers use to describe the products. How can we change the product?