[header] How to operate a concrete compression machine [title] Before you even turn on the machine, make sure you have all of the materials you need in order make operating this machine and making calculations as easy as possible. Put on your safety goggles/glasses and your gloves before you proceed. [title] Draw a table on a piece of paper in order to record the readings off the display of the machine when the concrete specimen fails/cracks. 
Calculate the diameter and area of each concrete specimen and record. [title] After making a complete table, turn on the machine.