1. Analysis of the potential of some nigerian rocks to wear drill bit
Babatunde Adebayo and Ismail Adeniyi Okewale

2. Aujt.11.02.07-editorial

3. Design and construction of an automatic power changeover switch
Jonathan Gana Kolo

4. Development of a rice polishing machine
Mutalubi Aremu Akintunde

5. Environmental impact auditing of food processing industry in nigeria the case of climate and air quality
Ogbonnaya Chukwu, Emmanuel Sunday Akin Ajisegiri, Kolawole Rasheed Onifade and Onemayin David Jimoh

6. Moisture-sorption study of locally-parboiled rice
Emmanuel Sunday Akin Ajisegiri, Ogbonnaya Chukwu and Peter Adeoye Sopade

7. Physical properties of residual profile found in minna
Alhaji Mohammed Mustapha

8. Simulation of heat and moisture transfer in wooden board fabricated houses in southern nigeria
Ogwuagwu Obiajulu Vincent

9. The application of the extended conjugate gradient method on the one-dimensional energized wave equation
Victor O. Waziri and Sunday A. Reju

10. The logistic model of growth
Graham Winley

11. The role of the suthasinobon complex in introgressive hybridization
Narong Chomchalow and No Nopchai Chansilpa