1. An investigation the influence of cutting clearance on wear behavior of blanking die for high strength steel)
Chalermpol Klaynil, Jinkamon Luijan and Pongsakorn Leetrakul

2. The led lighting systems with integrated daylighting for enhancing energy performance
Phumiphat Kakham and Bancha Ounpanich

3. Processing of chalcopyrite from thungtong sub -district, nong bou district, nakronsawon province
Suttithep Rommayawes and Laddawon Dul

4. Influence of titanium and strontium element on modification and refining in al -si-mg cast alloy
Phisith Muamgnoy and Jinkamon Luijan

5. Effect of glove contact surface on grip strength
Amina Mekharat and Klangduen Pochana

6. A drive system of asymmetrical two – phase induction motor with four quadrant operation
Watcharin Promkhun, Navee Rujidam and Vijit Kinnares

7. Wavelength measuring technique of led grow lights by using android application
Chawaroj Jaisin and Narin Pinkeaw

8. Assessment of the ability of houseplants to trap indoor particulate matter
Thanakorn Rattanapun, Maneerat Ongwandee and Sirima Panyametheekul

9. Effect of portland cement on physical properties of bottom ash geopolymer mortar
Tanakorn Phoo -ngernkham and Sakonwan Hanjitsuwan

10. The effective of bullwhip effect studying via web-based beer game program
Noppakun Tiwapat, Kawinthorn Saicharoen and Choosak Pornsing

11. Analysis of energy consumption and greenhouse gas (ghg) emission of parcel post in the metropolitan area
Dachawut Kanchanakarankul and Warunee Tia

12. Influence of friction stir welding parameters on structure and mechanical properties of aluminum semi solid metal 2024 butt welded joints
Worapong Boonchouytan, Chatree Homkeiw, Jaknarin Chatthong, Surasit Rawangwong and Prapas Muangjunburee

13. Selection model of vehicle’s maintenance service providers by using fuzzy ahp technique
Thanyarat Tiya - apisit and Uttapol Smutk upt

14. Effects of wetting and drying cycles on strength of cement stabilized lateritic soil as base course material
Jirayut Suebsuk and Agakarada te Siriphan

15. Energy saving potential of various water chillers in existing air-conditioner building
Chonlatos Pratuengsukpong and Apichi t Therdyothin

16. Comparison of delay reduction of an isolated intersection controlled by traffic signal systems
Phongphan Tankasem, Thanapol Promraksa, Thaned Satiennam and Anuchat Leeanansuksiri