For class discussion.

1. Corals

2. a hard stony substance secreted by
certain marine coelenterates as an
external skeleton, typically forming
large reefs in warm seas.

3. Calcareous
containing calcium carbonate

4. Coelenterates
an aquatic invertebrate animal of a phylum
that includes jellyfishes, corals, and sea
anemones. They are distinguished by having
a tube- or cup-shaped body and a single
opening ringed with tentacles.

5. 6 steps Involved in the
Preparation of Corals
• Soaking
According to Google Dictionary, soaking is an act
of wetting something thoroughly.
• Cleaning. According to Google Dictionary,
cleaning is to make (something or someone)
free of dirt, marks, or mess, especially by
washing, wiping, or brushing.

6. • Bleaching . Is to whiten by exposure to sunlight or by a
chemical process. We can use hydrogen peroxide,
chlorine and sodium perborate to make the corals
become white.
• Drying . It is defined as the act of removing the
moisture by means of Natural and artificial process.
• Sorting and grading. This is the process of classifying
the coral according to its size and quality.
• Finishing , coloring and designing. Application of art to
make a beautiful craft out of corals.

7. Important
Uses of Corals
• serves as shelter of fishes

8. Ornamentals and Jewelleries

9. Decoration

10. Evaluation