The surface finish for Rockwell testing must be smooth and uniform to obtain an accurate measurement. If you recognize the fact that one Rockwell point is equal to 0.002 millimeter (0.000080 inch), it is easy to understand why certain aspects of the test are important. Rockwell results typically are reported to 0.1 Rockwell point (0.000040 in.).
Pinworm inhabits the colon and rectum, feeding on Escherichia coli (E. coli) bacteria in the stool. Late at night when children are asleep, the female pinworm, which measures about the length of a staple (0.5 inch or 13 millimeters), emerges from the anus and lays her eggs on the surrounding skin.
People with intestinal worms may experience digestive changes, including loss of appetite or nausea when presented with food. If a large amount of worms accumulates in the intestines, the intestines can become obstructed, which can result in constipation. Intestinal worms can also cause diarrhea, which may be bloody.Adult worms may also be present in the feces. Tapeworm infections can cause people to develop abdominal pains and cramping.eople who are biologically female with pinworms may have pain around the genitals and urinary tract, and severe infections can lead to pelvic inflammatory disease, which can cause chronic pelvic pain. People infected with the intestinal worm Ascaris may experience difficulty breathing.