This document discusses various cleaning agents used in housekeeping. It identifies the main types of cleaning agents as detergents, acid cleaners, solvent cleaners, and polishes. It then describes 6 different cleaning product series - R1 bathroom cleaner, R2 hygienic hard surface cleaner, R3 glass cleaner, R4 shine up, R6 toilet bowl cleaner, R7 floor cleaner, R9 bathroom cleaner, and F9F liquid crystaliser - identifying the functions and colors of each concentrated cleaning product.