3.1 Chemical Hazards. 3.1.1 Hazard Categories. The construction, operation, and maintenance of DND-CATs facilities and the conduct of experiments there involve the use of numerous substances that pose hazards. Those hazards can occur during or result from:
If you have diabetes, you may need to better control your blood-sugar levels. If the pins and needles only appear when you sit in your favorite position, you may need to find a new way to sit. A proper diagnosis by your podiatrist can prevent the tingling feet from returning. Talking to Your Doctor
on pins and needles. Nervously anxious, as in He was on pins and needles, waiting for the test results. The graphic expression pins and needles for the tingling sensation experienced in recovering from numbness was transferred to a feeling of marked mental uneasiness about 1800. See also: and, needle, on, pin.