Cleaning agents are substances used to assist in the cleaning process and include detergents, acids, alkalis, solvents, disinfectants, deodorants, and abrasives. They are selected based on the type of soil, surface, composition, ease of use, toxicity, and cost effectiveness. Common manual cleaning equipment includes various types of brushes, brooms, mops, cloths, containers, and dust bins which are used to aid in cleaning tasks.