This research study was aimed to investigate 1) elementary Information economic and social factors 2) happiness 3) compare the level of happiness classified by elementary information and economic factors and 4) study the relationship between social factors with the happiness of the people. The sample consisted of 400 people living in the community of National Housing (Wat PhraNgoen). The statistics used were frequency percentage mean standard deviation the comparison of t-Test and f-Test with one-way ANOVA and Pearsons Product-moment correlation coefficient. It was found that most of the samples were married females between the ages of 41-50 years old with high school education (M.4 - M.6) or vocational training. They had their own business and the number of family members were one or two persons earning the personal income per month of 10001 - 15000 per person and the family income per month of 10001 - 20000 Baht without the implementation of the household accounting. Their household expenses included the payment for water electricity and other utilities. Most of them had liabilities and had to make the payment of 29.44% for debt repayment on time. The debt settlement was moderate with a few savings each month and the income was closely equal to the expenditure. In the overall the people had practical social factors. In the overall each aspect also yielded high level of family leisure and personal relationship while the remaining three including the social relationship living behavior and the community characteristics were moderate. In addition the results revealed that senior people number of family members and the difference in debt payment had different levels of happiness in the overall. The social factors had a low positive relationship with the happiness of the residents living in the community of National Housing (Wat PhraNgoen) at the .05 statistic level.

This research aims to study the relationship between profitability including gross margin operating margin net profit margin Return on Total Assets and Return on Equity and the SET index and dividends. The information is collected from the listed companies on the Market for Alternative Investment (MAI). The data comes from the financial statements and the annual reports of 28 companies with profit with no consecutive loss for more than 3 years and a top-five maximum registered capital of each business category during 2013 – 2017 with the accounting circle starting from 1 January – 31 December of each year. The statistics used for data analysis are descriptive statistical analysis. The secondary data is analyzed in the form of arithmetic mean (Mean) Maximum Minimum and Standard Deviation to describe the characteristics of the Pearsons Correlation Coefficient Sample Analysis. The ratio that represents each group is then analyzed by Multiple Regression Analysis to find the relation with the stock price index and dividends. The results show that profitability including the profit margin Return on Total Assets and Return on Equity has the relationship with stock price index and dividend at 99% confidence level.

The study of silver metal used in the non-plated jewelry industry was found to be dull or black but it was a basic feature of silver. To react with air easily in Thailand. The hot weather must be maintained regularly. The concept that we can study the development of silver metal with resistance to tarnish to slow down will have a positive effect on the jewelry industry. The team has developed a concept to bring other elements to meet the potential. The element used here is palladium (Pd) because the palladium is in the same group as the nickel and platinum groups in the periodic table. It is a metal (Nobel Metal) which is very durable corrosion. Usually white is natural and when used to polish the skin is glistening and in most cases in the jewelry industry is often used as part of the alloy such as making the natural gold color close to the platinum. The authors performed the experiments by introducing silver metal with palladium in an appropriate ratio and tested it with artificial stone. And save the record. It is divided into 4 periods of 5-20 days in normal temperature. The results of the study showed that 92.5% copper 6.8% and 0.7% palladium had a shade of L value of 59% over 20 days. It can be used to produce silver jewelry at a lower tarnished rate. In the jewelry industry

The results of the experiments were found that the temperature of the castings was higher than that of the silver alloys. The workpiece temperature is 500C the workpiece is good 26%. The workpiece is 74%. The temperature is 550C. The workpiece is 26%. The workpiece is 74%. The temperature is 600C. The workpiece is 40%. The workpiece is 60%. The workpiece is a fin. There are many factors that cause fins on the workpiece. Use of low-strength mortar In addition the use of excessive compression or heat transfer resulting in the expansion and shrinkage is not equal. This causes the cracking of the metal water to expand at a temperature of 650 ° C. The fine specimen 56% of the workpiece loses 44%. This temperature results in the smallest workpiece caused by the uneven surface. Cause of the cooling rate in each part of the casting is not equal. And at 700 degrees Celsius it is best to cast silver ornaments with pink color because the results show that the work is minimal. There are 70% good work piece 30%