Workmanship shall be of a level as to indicate controlled conditions of manufacture such thatsubsequent assembly operations, board functionality, and performance are not degraded. Grosscosmetic imperfections are not acceptable. Gross cosmetic imperfections are those that readilystand out without special lighting, magnification, or positioning of the product.PCB fabrication must meet minimum applicable standards as agreed upon with the PCBmanufacturer and shall follow good manufacturing practice.Quality control such as electrical testing shall guarantee a constant level of the resulting product.Specification of the electrical testing methods must be provided by the PCB manufacturer.RoHS complianceAll layers and materials must conform to the Restriction of Hazardous Substances Directives2011/65/EU and amendments (RoHS).