| roentgen rays(expression, chemistry, rays, radiation) |
| satellite(noun, use, tool, ray, radiation) |
| scanning analysis(expression, radiate, rays, electronics) |
| scanning equipment(expression, beam, radiate, rays) |
| spectrogram(noun, ray, physics, technics) |
| spectrograph(noun, ray, physics, technics) |
| spectrometry tool(expression, beam, radiate, rays) |
| spectrum(noun, ray, physics, technics) |
| specular ray(expression, chemistry, rays, radiation) |
| storage tube(noun, ray, physics, technics) |
| sun rays(expression, beam, radiate, rays) |
| surface ray(expression, chemistry, rays, radiation) |
| telescope(noun, use, tool, ray, radiation) |
| thickness recorder(expression, beam, radiate, rays) |
| trajectory(noun, use, tool, ray, radiation) |
| tube(noun, ray, physics, technics) |
| tube adder(expression, beam, radiate, rays) |
| tube display(expression, beam, radiate, rays) |
| tube encoder(expression, beam, radiate, rays) |
| tube indicator(expression, beam, radiate, rays) |