Opal lamp - Overcorrection
- Opal lamp
- Opaque
- Opaque area
- Opaque coating
- Opaque colour
- Opaque copy
- Opaque material
- Opaque original
- Opaque paint
- Opaque plastic
- Opaque white
- Opaquer
- Opaquing
- Opaquing table
- Open
- Open arc
- Open area
- Open display
- Open end can
- Open end envelope
- Open end of web
- Open entry
- Open gas flame dryer
- Open matter
- Open negative
- Open Prepress Interface (OPI)
- Open space
- Open stack
- Open texture
- Open three sides signature
- Open wire element dryer
- Open-back binder
- Open-faced copyboard
- Open-faced vacuum frame
- Open-flat
- Open-letter proof
- Openability
- Opened edge
- Opener
- Opener drum