They may have planned to use explosives that require the mixing of two different liquids in order to start the reaction.
As always, the two were filled with different liquids.
You could put any liquid you wanted into it and most often take out two different colored liquids.
There is a choice of six different steaming liquids.
For a given pressure, different liquids boil at different temperatures.
Tethered to his skinny waist were all the rest of the ingredients: five drinking bulbs, each holding a different colored liquid.
At the end the monk left for a couple of minutes, then returned with three small cups filled with different colored liquids.
Also, where can I find more information on evaporation of different liquids?
Here it is further mixed with three different liquids:
The molecules of different liquids hold on to each other with different amounts of force.