So let's look at this section here. A sample of a known mass is added to a dish. So let's look at the combustion of glucose in the presence of oxygen. Plus some heat gives us carbon dioxide and water. So let's place a small sample of glucose into our dish found inside the steel bomb and let's fill our bomb with oxygen, right, because oxygen is required for burning to occur. Next, let's place the steel bomb into a waterfilled the cylinder and let's seal off the top.