This very brief question is too obscure and needs more information.
The homophone for "marking" is "Marc-ing" and the homophone for "closing" is "clozing".
Ceiling - top surface of a room Sealing - marking or closing
The homophone for "top surface of a room" is "ceiling," while the homophone for "marking or closing" is "sealing."
The homophone for "top surface of room" is ceiling, and the homophone for "marking or closing" is sealing.
ceiling and sealing
ceiling, sealing
ceiling, sealing
ceiling, sealing
ceiling / sealing
A marking gauge is used for marking out lines to be cut.
A scriber is something that is a part of some instrument used for marking. A marking gauge is a device especially used for marking.
A marking gauge is used for marking a bit of wood by using the screw at the end.