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.
During an attack of Raynaud's, the blood vessels in the affected areas tighten, severely limiting the flow of blood to the skin, causing numbness, tingling, swelling, pain, and pale color. Infection can cause pain, redness, and swelling that occur with red streaking, heat, fever, or the drainage of pus. An infection often causes tenderness to the touch or pain with movement at the site of the infection.