Figure 2. Division Definition Group Definition The explosive characteristics of the air mixtures of gases, vapors, or dusts vary with the specific material involved. Materials have been placed in groups based on their i gnition temperatures and explosion pressures.igure 2. Division Definition Group Definition The explosive characteristics of the air mixtures of gases, vapors, or dusts vary with the specific material involved. Materials have been placed in groups based on their i gnition temperatures and explosion pressures.
Rectal bleeding is bright red blood in or on a bowel movement, on toilet tissue after wiping, or in the toilet water.You may or may not have some pain when you have the bowel movement. If you have external hemorrhoids, you may have pain when you sit.ectal bleeding is bright red blood in or on a bowel movement, on toilet tissue after wiping, or in the toilet water.
Gastritis Versus Ulcer (No Antibiotic Tx). The symptoms of gastritis and peptic ulcer are very similar. Both can cause a dull ache or burning pain in the upper abdomen. Other symptoms include nausea, vomiting, loss of appetite, and belching or bloating.Blood in the vomit or stools (red or black) is a sign of bleeding in the stomach.astritis Versus Ulcer (No Antibiotic Tx). The symptoms of gastritis and peptic ulcer are very similar. Both can cause a dull ache or burning pain in the upper abdomen. Other symptoms include nausea, vomiting, loss of appetite, and belching or bloating.