Red=stop red flashing= light is broken, use your judgement in crossing.
If the liquid in a thermometer is red it is not mercury, it is alchohol which has been colouired.
The red line on a thermometer is the line that indicates what the thermometer is set to. If the red line is on 75, then the heat or the air will run until the temperature in the room gets to 75.
The red light means the battery is low.
Assuming you mean visible light, that would be red light.
Red=stop red flashing= light is broken, use your judgement in crossing.
If the liquid in a thermometer is red it is not mercury, it is alchohol which has been colouired.
Coolant system warning light. It should go off when you add coolant.
The red line on a thermometer is the line that indicates what the thermometer is set to. If the red line is on 75, then the heat or the air will run until the temperature in the room gets to 75.
Coolant temperature is too high.
the red part in a thermometer is mercury.
Blinking red light signifies alertness or danger.
A red light district is the part of a city that has prostitutes.
The red light means the battery is low.
Ethanol (Ethyl alcohol) with a red dye in it. A thermometer with a silvery expanding liquid is Mercury.
thermometer is filed with mercury--HG
The infra-red laser thermometer was invented by David Phillips in 1984. It was an ear thermometer. The original discovery of infra-red technology was in 1800 by William Herschel.