Strombolian - These eruptions are characterized by distinct blasts of basaltic to andesitic magma from the vent. 1  These blasts produce incandescent bombs that fall near the vent, eventually building a small cone of tephra (cinder cone). Sometimes lava flows erupt from vents low on the flanks of the small cones.
Use steel wool for a satin finish. The scratch pattern left by a gray abrasive pad on the top is more aggressive and uneven than that left by 0000 steel wool. you get a better surface by rubbing out the final coat with steel wool than with an abrasive pad.
When you want to attach wood to a steel I-beam, there are two acceptable ways to do it. The first and most traditional way is to pack the web between the I-beam flanges with multiple pieces of wood, then bolt them together. This is a very strong connection, but it wastes a lot of time and raw materials in the process.