IV. PROCEDURES
B. Review Previous Lessons `Conduct a recap of the previous discussion.
B. Establishing purpose for the Lesson
(Motivation)
C. Presenting examples /instances of
the new lessons (show pics, videos, ppt)
Power point Presentation
D. Discussing new concepts and
practicing new skills #1. (Pre-
Discussion Activity)
The teacher will give an introduction to the topic.
E. Discussing new concepts &
practicing and concern to new skills #2
Types of Cleaning Agents
1. Detergents. These are cleaning agents, solvents or any substance used to clean and break up dirt, soil and grease on surfaces of tableware,
kitchen surfaces, and equipment, fabrics, clothes, wood , plastic and metals Example: soap, soap powders, cleaners, liquid detergents.
2. Solvent Cleaners are commonly referred to as degreasers These products are alkaline based and are formulated to remove grease on surfaces
of tools and equipment, where grease has burned on. Examples of degreasers are vinegar, lemon juice, cornstarch , borax , baking soda and
castile soap.
3.Abrasives are fine plastic mesh pads, nylon coated, sponges, fine brass wool, rotten –stone and whiting to rub and scrub the heavy dirt. However these materials must
be handled with care to prevent scratching certain types of materials like plastic or stainless steel.
4. Acid Cleaners are used occasionally to remove mineral deposits and other soils on kitchen floors , as well as rust on the sink areas and soils.Ex. phosphoric acid, nitric acid
,muriatic acid
Acid is the most powerful type of cleaning agent because it is poisonous and corrosive . It should be used with caution and handled correctly to avoid accident.
Here is the list of approved Chemical Sanitizers
1. Chlorine, as a bleaching agent, is used in industry and in household cleaning products. It is water soluble. It is used to disinfect water and
part of the sanitation process for industrial waste.
2. Iodine is an over-the-counter type of chemical sanitizer that is used to disinfect skin and treat infection.
3. Quaternary Ammonium is used as disinfectant chemicals to disinfect sprays and wipes for the purpose of killing germs. It is antibacterial type
chemical sanitizer.
How to Read the Label of a Cleaning Agent
Following the instructions of manufacturer is essential to achieve quality and effective disinfectant.