1. (a) Paste or draw a picture of an oven that you use in your workplace. Label the critical areas that have to be cleaned regularly.

(b) List the chemicals and materials that are used to clean the oven.

(c) List the safety aspects that you should take care of with regards to yourself and the oven.

(a) [Image of an oven with critical areas labeled: door, racks, walls, ceiling, bottom tray]

(b) Chemicals and materials used to clean the oven:
- Oven cleaner spray
- Baking soda
- Vinegar
- Scrubbing pads
- Gloves

(c) Safety aspects to take care of:
- Wear protective gloves and goggles when handling cleaning chemicals to protect your skin and eyes.
- Make sure the oven is turned off and completely cooled before starting the cleaning process to avoid burns.
- Ensure proper ventilation while cleaning to avoid inhaling fumes from the cleaning chemicals.
- Follow the instructions on the cleaning chemicals carefully to avoid accidents or damage to the oven.