centers
See centering.
Glossary
center rail
The horizontal door rail which separates the upper and lower panels of a recessed panel-type door; usually located at lock
Glossary
center pivot
Of a door: a pivot having its axis on the thickness center line of the door, normally about 23 €4
Glossary
centerpiece
An ornament placed in the middle of something, as a decoration in the center of the ceiling.