... disinfection, to prevent cross-contamination.(5) before meals, and after hand washing, disinfection. No disinfectant. More convenient to save money ... plaque, in addition to acne pimples.(7) Cleaning maternal and infant supplies, towels, sterilization, no disinfectant, to remove ... clean air, decomposition of airborne bacteria, soot. odor and other harmful substances.(11) of indoor space for anti- ...