This research aims to develop the natural-rubber floor tiles mixed with high fineness ethylene vinyl acetate plastic wastes (EVA plastics) from the factories. The study use natural-rubber STR 20 at 100 phr with various contents of EVA plastics (e.g. 0 5 10 20 40 and 80 phr) and then mixed with chemical substance at constant ratio include zinc oxide at 5 phr stearic acid at 2 phr mercaptobenzothiazole at 0.5 phr diphenyl guanidine at 0.2 phr and sulfur at 3 phr. The samples are ground by two-roll mill and formed by compression molding at 150 degree Celsius with 30x30x0.2 cm of dimension. The properties of the natural-rubber floor tiles are tested under ASTM standard. From the results it is found that the natural-rubber floor tiles mixed with 10 phr of EVA plastics is the suitable ratio for using as the rubber floor tiles in building. This ratio can increase the hardness tensile strength and wear resistant properties and decrease the density and thermal insulation properties when compare to the natural-rubber floor tiles without EVA plastic.

The purpose of this research was to investigate the factors affecting internet usage of the general public in Linthin Thong Pha Phum District Kanchanaburi province. Analyzes of opinions on factors affecting internet usage. When classified according to the social characteristics and norms of Internet users. Personal factors Motivation and ability of the person to exchange knowledge. Confidence factors system security privacy and the benefits of using. It was found that the opinions on satisfaction were at the high level. And when the value of the entertainment. The opinions on satisfaction were at the highest level.

The purpose of this project is to study and develop the products group basketry Detail Ratchaburi province. For evaluation and customer satisfaction in product are Usage patterns bag of woven bamboo. The researchers have collecting relevant information And interview 50 customers who come to shop for basketry detail products in Ratchaburi Province. Researchers verify the integrity of the research. Assessment and monitoring rating According to criteria set and points to a statistical method based on the analysis by the program Finished and presented in a table format to sort for which complete data. Research of this results and concluded that they should see to study and develop the products Group basketry detail in Ratchaburi province. To increase sales of bag products to be more interesting And convey the identity of Ratchaburi province. for generate income for the community in Yanghak Sub-district Pak the district Ratchaburi province. In a new Format that is different from the original format to suit. the needs of the group and identity of Ratchaburi province. product is haversack handbag sling bag and pencil bag.

Nata de coco rich in high dietary cellulose microfiber of low calories and thus suitable to be promoted as healthy drink is derived from bacterial fermentation of coconut water (an agricultural by-product). In this study the optimal amount of nata de coco to be added to mao juice was investigated. Nata de coco was produced by using Acetobacter xylinum TISTR 86 cultured at 30oC for 15 days in a plastic box containing culture medium which was composed of 92.5% coconut juice 0.5% ammonium sulfate 5.0% sucrose and 2.0% vinegar. Hedonic scale (1-9 point) sensory evaluation was used to select the optimal ratio of nata de coco from the 3 ratios of 5 10 and 15% to be added to mao juice. Based on taste and overall liking the most favorable mixture is to add nata de coco of 10% to mao juice. Finally the chemical physical and microorganism properties of mao juice with nata de coco in a 180 ml clear-glass bottle were measured after it was stored at room temperature for 1 month. This mixture product was found to beneficially contain fiber two times the amount of that of sole mao juice. The result suggests that these variable parameters of mixture product were accepted base on the Thai Community Product Standard (486/2547).