A beaker with a glass on top which is heat resistant, where there is pink liquid below the 5, 4, and 3 lines.
Two beakers with heat resistant labelled on the bottom jar.
A coffee pot in a kitchen with liquid fill up above the number 3 line.
A coffee machine with the numbers 3-5 on the lower glass part.
A glass water container on the stove is filled with water up to the number 4 with some other glass item on top of it.