Hardware is generally tangible and its amount is a countable characteristic. Processed materials are generally tangible and their amount is a continuous characteristic. Hardware and processed materials often are referred to as goods.

• 硬件通常是有形产品，其量具有计数的特性。流程性材料通常是有形产品，其量具有连续的特性。硬件和流程性材料经常被称之为货物。