mercury thermometers, glass banks made of mercury.
Palabras clave
background,
ball,
black,
chemical,
chemistry,
chrome,
dense,
dripped,
droplet,
element,
heavy,
interesting,
cognition,
lightweight,
liquid,
mercury,
metal,
metallic,
mirror,
rare,
reflect,
science,
shadow,
shiny,
silver,
steel,
sun,
marvellously