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Because each call specifies only a single vertex , it is possible to explicitly specify per - primitive attributes such as a single normal per individual triangle . Subsequently , blood flow dropped below the control value in a phase of delayed hypoperfusion , returning to normal toward the end of the experiment . That plausible conclusion may be shocking to those who have been well-trained to consider their crimes against the weak to be as normal as the air they breathe . The launch was normal until 37 seconds after the engines first fired , or 30 seconds after the rocket lifted off . Essig at Mississippi State University found that the body temperatures of cattle did not return to normal until 56 days after removal from infected fescue . Olson , who believed that it was important to educate a person with diabetes to take care of himself and keep blood sugars as close to normal as possible . I go about my business that day feeling pretty normal until 8 or 9 in the evening when it all catches up . No normals per vertex ( it 's unclear if their other models have these or not ) and no normal per polygon ( most polygons were consistently one way , though I found a few were reversed - ugh ) . Children , in particular , need as normal as possible an environment upon arrival in Australia , and to meet this , Australian Government practice must treat the retention of family bonds and supports as paramount . This maneuver was normal until touchdown . Normal up - and downshifting in both was slightly rough in the preproduction testers . It is therefore likely that a full-blown recession can be avoided , although demand growth may not revert to normal until during the course of 2002 , as the capital stock and employment growth are adjusted to new realities about rates of return . It was months before he was as back to normal as he ever came . I do / did feel very relaxed getting out of bed and still do now , but I do feel 100 % normal as if I had n't even taken anything yesterday .