The purpose of the research were to create and efficiency validation of computer assisted for the courses of practiced to basic file based standard 90/90 and analyse the leaning achievement of the student after by using computer assisted instruction The subjects in the study were 17 first year diploma students enrolled in Rajamangala University of Technology Phra Nakhon. The researcher using the experiment by let the students do until test before class And then study by using computer assisted instruction focused on practiced to basic turning. After that let students do the unit test again at the class and calculate to find out the efficiency of the computer assisted instruction and analyse the leaning achievement of students after study. The research result revealed that the efficiency of the computer assisted instruction was efficient in standard 90/90 Moreover after learning achievement at significant level of 0.05

Managing the bachelor educational level of Rajamangala University of Technology Phra Nakhon is a mission goal to strengthen on science and technology and capable to recruit form the industrial markets Eventually the applied technologies grow up with the higher managing administration. The researchers stress on human resource developments to make the progress of professional practices which made us interested into find-out the life long studying on working period of the graduated students from faculty of engineering The research objectives are as follows : 1. The alumnis requirements to change and/or to make more than one of the educational certification. 2. Defined the pathways of the higher qualitative educational aims. 3. To study the relationship between the educational framework and the life long studying on working period of the participants around Bangkok city suburb and urban of 300 persons. The results we found that among the requirement to change their certification and to improve their knowledge on professional to require more of the subjects on industrial management field Human relation and the advanced technology subjects on a top of requests. The most requirements from the alumni want to change the certifications to Mechanical engineering to require Mechanical mechanics I Air-conditioning. The highest requirement from the alumni want to change the certifications to Computer engineering field to require the subjects on Data communication Computer network and practice. The more requirements from the alumni want to change the certifications to Electronics and Telecommunication field to require the subjects on Electronic analysis Microware engineering and practice. The highest requirements from the alumni want to change the certifications to Industrial engineering field to require the subjects on Engineering management Maintenance engineering and Production and planning. On remarks among requirements to further study from all participants they want to study on higher degree of education 131 persons or 43.7 percentages of population to improve their performance 93 persons or 31.0 percentages and want to get more benefit from further studies is 76 persons or 25.3 percentages. As the results to collaborate with National education act of Thailand and economics growth-up

The purposes of the research were to create and efficiency validation of computer assisted for the courses of practiced to reading Micrometer 0.01 m.m. based standard 90 / 90 and analyse the leaning achievement of the student after by using computer assisted instruction. The subjects in the study were 17 first year diploma students enrolled in Rajamangala University of Technology Phra Nakhon. The Researcher using the experiment by let the students do until test before class And then study by using computer assisted instruction focused on practiced to basic turning. After that let students do the unit test again at the class and calculate to find out the efficiency of the computer assisted instruction and analyse the leaning achievement of students after study. The research result revealed that the efficiency of the computer assisted Instruction was efficient in standard 90/90 I Moreover. after learning achievement At significant level of 0.05

The purposes of the research were to create and find efficiency validation of computer assisted instruction focused on the micro structure of iron for the standard 80 / 80 and analyze the student learning achievement after using computer assisted instruction. The samples were the 20 first yearBachelor of Science in Technical Education students enrolled in Industrial Engineering Rajamangala University of Technology Phra Nakhon North Bangkok Campus. The Researcher experimented by using pretest and then using the computer assisted instruction focus on the micro structure of iron next the students did the posttest. After that the researcher calculated to find the computer assisted instruction efficiency and analyzed the students leaning achievement after studying. The result revealed that the computer assisted Instruction efficiency was efficient for standard 80 / 80. And after studying by using computer assisted instruction the students learning achievement increased significantly at 0.05.

Thailand is a well known country where jewelry is produced to export. The process of jewelry production needs many special skills and efficient machines. Moreover the preparation of plaster is also important in producing jewelry. This requires various stages and takes more time to do. However these problems can be eliminated by knowledge in engineering. Therefore this study aimed to develop the vacuum mixer for mixing Investment for jewelry production. The vacuum mixer consists of 12 Hp 220 volts ac electric motor with the gear which has 1:40 dimension. The whole body of the vacuum mixer is made of stainless steel. The pot for mixing the Investment is 21 em. wide and 31.5 em. high. The tub at the base for placing the pot is 29 em. wide and 21 em. high. This base is equipped with a 20 m3 per hour vacuum ventilator and a vibrating motor. This vacuum mixer is operated by the electric motor which transmits power into gear. Then the gears drive the belt to make the blade stiring the Investment and water in the pot until they are well mixed together. Then the mixture is forced to the tub at the base by the valve while the air is sucked up and the mixture of the Investment is cured until all bubbles are disappeared from the mixture. After experimenting the result revealed that the use of the vacuum mixer can reduce the steps in preparing the plaster from 8 steps to 4 steps. It can also save 52% of time allotted.