Step 8: Use a flat plaster trowel and a plaster hawk to apply the plaster to the ceiling area. Place a lump of plaster on the hawk and scoop some of it onto the trowel. Step 9: Hold the trowel at ...

A hawk, to be precise, preserved and painted some 2,100 years ago in ancient Egypt. But now, sophisticated micro-CT scans have proved its exquisitely painted plaster cover holds not a bird ...