Project managers can take advantage of this icon set to add meaning to the text about project workflow and activities. Marketing heads and sales professionals can include these icons in their slides to support information related to the good and bad user experiences of a product or service, the opposing reactions of customers to a campaign, etc. Educators can focus the audience's attention on the information about equivalence between two states of matter. You can also enrich content about concepts/topics related to market fluctuations, growth and decline in market trends, bidirectional movement, the interaction between two elements, etc.