Shrink heater cooler thumbs, see https://github.com/phetsims/energy-forms-and-changes/issues/132
Shrink heater cooler thumbs, see https://github.com/phetsims/energy-forms-and-changes/issues/132

phetsims/energy-forms-and-changes,phetsims/energy-forms-and-changes,phetsims/energy-forms-and-changes