Thailand’s gem and jewelry industry is widely considered one of the greatest potential markets in the world. One of the important processes is producing the body jewellery or casting. The lost-wax castingtechnique is a popular technique used widely. However it can also be a source of many defects such as porosity tarnishing incomplete form filling and water stain. There is not finding causes of problems affecting the cost of production labor energy and time increased. This research aims to study the production problems and deficiencies of work piece in the actual work from10 casting industriesto identifying and preventing all these problems. This study will be helpful to entrepreneurs gems and jewelry industry to use as guidelines to prevent defects reduce waste reduce production costs and improve the casting process for the piece even more quality. The study found that most of the production process is the main the machinery / equipment and material problems the problem of secondary respectively by this process the main problem is the casting and foundry molds the injection and the candles prototype and mold making rubber the order is a minor respectively work piece for defects in castings are very common a flaw was found in the specimens I have a 6 specimen defects found in wax and defects found in rubber molds and prototypes the defect occurs in each style be caused by a wide variety of cases. Problems encountered in this study the most hole of the shrinkage problem problem of casting porosity the hole of the bubble the cracking problem the cast is not full the problem is the ceiling.

This research aims to study sports management in 2012 within the Faculty of Liberal Arts Rajamangala University of Technology Phra Nakhon. The data was collected by sending 150 questionnaires to the organizing Committee and the questionnaires were returned 100 percent. The data was analyzed by using percentage mean and standard deviation and the data presented in the form of tables and essay. It was found that: 1. Sports problem within the Faculty of Liberal Arts Rajamangala University of Technology Phra Nakhon 2012 most problems of competition among faculty and staff have been less in all aspects. However the student affair committee has considered that the problems were at high level in the following aspects: 1) the committee’s coordination e.g. in meeting; 2) the ceremony and parade like the athletes’ preparation for medals management; 3) the tournament and the referee including competitive and lack of the referees inexperience referees lack of the athletes’ coordination and supporting fund and inappropriate time in competition; 4) the public relations e.g. lack of the facilities in public relations. 2. The requirements for organizing and conducting program should be annually once a year and lasted in 1-2 weeks. The program was not simultaneous with the class. There should be more public relation and more fund to support the event

The research aims to study the Conditions and Problems of Internal Educational Quality Assurance in Rajamangala University of Technology Phra Nakhon. The sample population included 320 staffts from RMUTP. The questionnaire was a research instrument. Analysis statistics was done by percentage arithmetic means standard deviation and frequency. The research results can be summarized as follows: 1. Overall Conditions and Problems of Internal Educational Quality Assurance in Rajamangala University of Technology Phra Nakhon was highly rated. 2. Problems and obstacles encountered in the implementation of quality assurance which are related to standards such as the quality of graduates standards of research productive standard of service standards Institute and Personnel Development. The problem in preservation of cultural standards standard curriculum and academic and standards of quality assurance is not found in the operation.

The objectives of this research were to 1) study perceived problems of students for educational management of Business Administration Faculty Rajamangala University of Technology Phranakhon 2) compare perceived problems of students for educational management classified by gender students year and field of study and 3) study needs of students for educational management of Business Administration Faculty. The sample studied were 341 undergraduate students selected by proportional stratified random sampling categorized by students year of study and simple random sampling was also used. The data was collected through questionnaires constructed by researcher. The statistics used for data analysis were mean standard deviation one way analysis of variance and Scheffes multiple comparison method. The results were as follows: 1.Problems concerning instructors content of study and method of teaching were less perceived by students. Evaluation and measurement teaching and learning management infrastructure concerns and instructional media and instruments were perceived as problems at intermediate level. 2.Students from different year and field of study and from different gender had statistically difference of perceived problems for educational management. 3.The highest needs for educational management concerning instructor aspect was love and understanding from teachers. Regarding the aspects of study contents method of teaching evaluation and measurement and teaching -learning management the highest needs were applying knowledge using an interesting instructional media evaluating according to contents organizing suitable study schedule of each term respectively. Enough and clean toilets as well as enough educational equipments were the highest needs for the aspects of infrastructure and educational media and instrument respectively.

The objectives of this research were to 1) study perceived problems of students for educational management of Home Economics Technology Faculty Rajamanga la University of Technology Phranakhon 2) compare perceived problems of students for educational management classified by gender students year and field of study and 3) study needs of students for educational management of Home Economics Technology Faculty The sample studied were 291 undergraduate students selected by proportional stratified random sampling categorized by students year of study and simple random sampling was also used The data was collected through questionnaires constructed by researcher The statistics used for data analysis were mean standard deviation one way analysis of variance and Scheffes multiple comparison method The results were as follows : 1 Problems concerning instructors content of study and method of teaching were less perceived by students Evaluation and measurement teaching and learning management and instructional media and instruments were perceived as problems at intermediate level The high perceived problems of students were infrastructure concerns particularly the lack of gymnasium stadium and first-aid centre 2 Students from different year and field of study and were different gender had statistically difference of perceived problems for educational management. 3 The highest needs for educational management concerning instructor aspect was lending equity to all students Regarding the aspects of study contents method of teaching evaluation and measurement and teaching -learning management the highest needs were complete and update knowledge practical based teaching evaluating after teaching and appropriate study schedule respectively Enough and clean toilet as well as enough educational equipments were the highest needs for the aspects of infrastructure and educational media and instrument respectively