Rajamangala University of Technology Phra Nakhon Technology Service section Institute of Research and Development with collaboration of Department of Tools and dye Technology Faculty of Engineering produced the prosthesis for the disabled since 2000. Rajamangala University of Technology Phra Nakhon has allocated annual budget for the ongoing operations of more than 350000 baht per year and has provided materials tools and components including the use of machine tools and university personnel for designing innovation. testing and manufacturing and delivering prosthetic equipments to government agencies that serve hopeless people who have no chance to servive and help the disabled who lost their arms or legs to live a normal life independently and would not be burden to the society.

The research analyzes benefit cost and break even point including sensitivity of making biodiesel production factory from palm fatty acid. Biodiesel production system of Thailand Institute of Scientific and Technological Research (TISTR) is used for this study. It is found the present net value has been a deficit of 27024966 baht. The sensitivity of the project has been analyzed by increasing selling price of biodiesel of 5% and 7.5% but reducing material price of 10% and 20%. It is found the present net value still has been deficient. The project will payback at 5th 8th and 10th year be with selling price of biodiesel. is about 31.71 baht per litre. Therefore the cost of palm fatty acid should lower than 2.89 3.05 and 3.82 baht per kilogram. If selling price of biodiesel about 33.30 baht per litre the cost of palm fatty acid should be lower than 4.65 4.82 and 5.58 baht per kilogram. respectively.

The objective of this survey research was to study the opinion of people in Samutsakhon Municipality Samutsakhon province concerning the construction of on-ground pipe-water production system. The results of this survey research were as follows : the opinion and requirement of people in Samutsakhon concerning the construction of on-ground pipe-water production system were at high level. The perception of problems concerning the construction of pipe-water production system was not relative to the opinion of people in However the perception of information in constructing pipe-water production system and the participatory responsibilities in service of pipe-water production system were positively and significantly relative to the opinion of people at the level of .05

The objective of this study is to improve the efficiency in manufacturing process of Arabian-style ventilation bricks with a new production method that uses a machine. The study focuses on all steps of productions in order to increase productivity. After the experiment the study shows that the improvement of ventilation brick manufacturing includes the increase in production volume from 20 pieces per day to 50 pieces per day representing an increase of 76.19 percent; and the decrease in production cycle time originally from 1401 minutes per piece to 97 minutes per piece representing a decrease of 93.07 percent respectively.

: Research on the business model of curry paste products Ban Khlong Samrong Community Enterprise Ban Phaeo District Samut Sakhon Province towards a sustainable community economy the researcher aims to study and analyze a business model for curry paste products and to develop curry paste products. to be desired and choice for consumers by qualitative research and participative action research. (Participatory Action Research: PAR) and the research was conducted in 3 steps namely 1) to study the concepts and theories of Business Model Canvas in order to formulate a business model for Nam Prik Kaeng products; 2) Analyze the data from an in-depth interview. Focus group discussion from the stakeholders and 3) Content Analysis with the Nam Prik Kaeng product business model. Ban Khlong Samrong Community Enterprise Ban Phaeo District Samut Sakhon Province and summarized the research results by descriptive analysis. Enterprise Ban Phaeo District Samut Sakhon Province towards a sustainable community economy is to enable the development of a business model of the Ban Khlong Samrong Community Enterprise Group. By applying modern management knowledge to manage community enterprises The results of this research can be used to communicate and create mutual understanding among community enterprise members. as a guideline for further development of curry paste products And the knowledge from this research can be used to train the community enterprise group to have knowledge on business management. Suggestions from this research found that Ban Khlong Samrong Community Enterprise Ban Phaeo District Samut Sakhon Province still lacks knowledge in marketing. Therefore there should be an extension in the next market research project.