Aspect-oriented programming allows cross-cutting concerns to be addressed as secondary concerns. For example, most programs require some form of security and logging . Security and logging are often secondary concerns, whereas the primary concern is often on accomplishing business goals. However, when designing a program, its security must be built into the design from the beginning instead of being treated as a secondary concern. Applying security afterwards often results in an insufficient security model that leaves too many gaps for future attacks. 
The research and development work with full-scale testing facilities and partnership development programs has resulted in many pump, mixer, agitator, aerator, and compressor innovations for the pulp and paper industry. Sulzer’s extensive product portfolio is designed to meet the most demanding hydraulic coverage requirements and for all types of liquid, making it ideal for challenging pumping and mixing operations. As a full-line supplier, Sulzer also provides energy-efficient products for water and effluent treatment and power plant applications.
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