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.
Hemorrhoids â Hemorrhoids are swollen blood vessels found in the rectum or anus that can be itchy, painful and sometimes bleed. Those who suffer from hemorrhoids may notice bright red blood either in the toilet or coating the stool after a bowel movement. Anal Fissures â An anal fissure is a small tear in the lining of the anus, which can cause bleeding and the sensation of ripping, tearing or burning after a bowel movement.