Please capitalize where necessary: white (colors from white to pink candy)
A: WHITE (colors from white to pink candy)

Please capitalize where necessary: this can occur only with reflection of the thermal radiation.
A: This can occur only with reflection of the thermal radiation.

Please capitalize where necessary: this person knows two definitions for the word "rich."
A: This person knows two definitions for the word "rich."

Please capitalize where necessary: the results are thus not representative of the respective wood species or for exotic wood in its entirety.
A:
The results are thus not representative of the respective wood species or for exotic wood in its entirety.