skos:altLabel | - blocks
- prisms
- prismatic
- prism
- PRISM
- Prismatic
- Optical prisms
- Prism (surveying)
- Prism glasses
- Prism#In optometry
- Prism#Reflective prisms
- Reflective prisms
- Risley prisms
- aethereal glut
- cube-corner prisms
- non-prismatic
- optical prisms
- prism's
- six reflections
- trigonal glasses
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