Maybe a good comparison would be vanilla coffee from McDonalds
Holtzman AL, Babinski D, Merlo LJ
One such user turned to the online forum Quora to seek answers to his query: Is spitting brown phlegm, from smoking, a sign of cancer? To answer this common concern, we spoke to Dr Jitesh Rajpurohit, Thoracic Surgical Oncologist at SSO Cancer Hospital, who said, Brown phlegm does not automatically mean cancer
Beginning in 1944, the packaging of the three meals changed color to differentiate them
You may need to take care of them with proper storage, parts replacement, cleaning and overall ensuring your device stays in good working condition