What is SISS?

SISS most likely refers to a Specific Industrial Safety Standard. Without more context, it's difficult to provide a definitive explanation. It generally relates to safety regulations and procedures specifically tailored to a particular industry or type of industrial operation. These standards are often developed and enforced by regulatory bodies or industry-specific organizations to minimize workplace hazards and ensure the well-being of employees. They can cover various aspects of safety, including machine guarding, chemical handling, fire prevention, and electrical safety.