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.
Bright red blood in stool is also often caused by anal fissures, which is a small tear or split in the anal mucosa. These fissures can cause pain during bowel movements as well as bleeding.Bright red blood may appear on the stool itself or on the toilet paper after a bowel movement. Anal fissures are extremely common in infants due to their very sensitive tissue and then it becomes less frequent with age.right red blood in stool is also often caused by anal fissures, which is a small tear or split in the anal mucosa. These fissures can cause pain during bowel movements as well as bleeding.