; (B) provides an in-depth assessment of small- and medium-size manufacturer plant sites to evaluate the facilities, services, and manufacturing operations of the plant site; and (C) identifies opportunities for potential savings for small- and medium-size manufacturer plant sites from energy efficiency improvements, waste minimization, pollution prevention, and productivity improvement. (3) National laboratory The term National Laboratory has the meaning given the term in section 2 of the Energy Policy Act of 2005 ( 42 U.S.C. 15801 ). (4) Small and medium manufacturers The term “small and medium manufacturers” means manufacturing firms— (A) classified in the North American Industry Classification System as any of sectors 31 through 33; (B) with gross annual sales of less than $100,000,000; (C) with fewer than 500 employees at the plant site; and (D) with annual energy bills totaling more than $100,000 and less than $2,500,000. (5) Smart manufacturing The term smart manufacturing means advanced technologies in information, automation, monitoring, computation, sensing, modeling, and networking that— (A) digitally— (i) simulate manufacturing production lines; (ii) operate computer-controlled manufacturing equipment; (iii) monitor and communicate production line status; and (iv) manage and optimize energy productivity and cost throughout production; (B) model, simulate, and optimize the energy efficiency of a factory building; (C) monitor and optimize building energy performance; (D) model, simulate, and optimize the design of energy efficient and sustainable products, including the use of digital prototyping and additive manufacturing to enhance product design; (E) connect manufactured products in networks to monitor and optimize the performance of the networks, including automated network operations