1. Calculation of Peak Particle Velocity Caused by Blasting Vibration in Step Topographyrn2. Prediction Model of Coal and Gas Outburst Based on Rough Set-Unascertained Measure Theoryrn3. Hollow Core Slabs on Winkler Foundationrn4. Evaluation of Metro Kapsul Performance in Steady State Curving, Traction, and Brakingrn5. Overview of Health Impacts due to Haze Pollution in Johor, Malaysiarn6. Deveā¦