Assertion: flashlight's light | /r/CapableOf | provide high contrast
Facets:
value: for detecting blood.[original research
type: PURPOSE
Source sentences:
text: Red lights are best for preserving night vision for the law enforcement officer, due to their minimal impact on the rod cells in the eye, while blue light provides high contrast for detecting blood.[original research?]
text: Red lights are best for preserving night vision for the law enforcement officer, due to their minimal impact on the rod cells in the eye, while blue light provides high contrast for detecting blood.[original research?]