Their surface may be strongly sculpted with pits, sharp projections, or raised ridges.
They lack texture and the menacing threat attending those works made with sharp projections of sliced radials.
Several species have crests, and some have wing spurs (sharp projections at the bend of the wing for use in fighting).
A U.P.S. spokeswoman, Kristen Petrella, said the company had not removed its barbed wire because it believes the fence is permitted under the ordinance, which refers at one point to "sharp projections facing outward".
The tuatara's teeth are not replaced, since they are not separate structures like real teeth, but sharp projections of the jaw bone.
Viewed with a light microscope their surfaces appear to be smooth, but under scanning electron microscopy, they are revealed to be densely marked with punctures and small, hard, sharp projections.
The projection, a sharp drop from the $1.6 billion the company projected in October, will translate to a loss of $225 million to $250 million for the quarter, the company said.
The goal: packing a brilliantly sharp video projection system into a cell phone.
It is mostly a matter of being closer to the screen, but there are technical improvements as well: sharper projection, crisper and more resonant sound quality than before.
Later, a fruit and veg van came to a sharp halt beneath the projections, the driver craning his neck to read.
It was a sharp drop in those projections this past July, combined with some embarrassing audience ratings, that pushed Mr. Tisch and Mr. Paley even further together as the summer wore on.
