• Wisma Wageningen is the place where I stay at the University. This complex was built under the coorporation project with Wangeningen Institute in the Netherlands in 1970s.
• Solar collector installed on the roof warms the air inside indoor hatchery and prevents heat loss from the water (with an aqua culturist from the Netherlands, and students)
• Paddlewheel aerator takes oxygen from the air to increase dissolve oxygen in ponds (with Dr. Radite P.A. Setiawan and Ir. Aidil Ferihito, STT Texmaco) 
• Pitcher irrigation gives water into the root zone and stabilizes the soil moisture effectively (with Regional Counselors of MUBA Regency)
• Water recirculation saves more water and human energy when applies to aquacultures (with Prof. Richard Taylor from Earth University, Costa Rica).
• Prof. Richard Taylor for Earth University, Costa Rica is interested at developing appropriate technologies (with graduate students)
• To develop aquaculture absolutely needs engineering approach (with Dr. Darnas Dana and Ir. Darsono, Head of Fishery Agency-West-Java)
• Pangandaran, a seaside  is a place not to forget when visiting West-Java (with Dr. Darnas Dana and staff from Fishery Agency, West-Java).
• A farmer in Cipanas got many, including  president's award for his success in ornamental fish aquaculture (with Dr. Darnas Dana and Dr. Satyanto K. Saptomo)
• Staff of Soil and Water Engineering Division get together to solve problems in aquaculture (with Ir. Darsono and his staff, Fisheryu Agency of West Java)