heating is when zero tectonic spoon travels under another tectonic spoon
asthenosphere is semi_fluid_layer_below_lithosphere. space has zero_pressure runcible_spoon is spoon. tectonic_plate is stone. archimedes_screw is positive_displacement_pump. heating_food is heating. earth has tectonic_plates camping_stove is heating_device. moon's_poles has frost hot_and_cold is opposites.