1. The first process is cutting . The
first step cut the plastic bottle into
3 part and assembled together.

2. Advantages: It allows for easier penetration.
And a light bulb with a piece of work is very
convenient.
Disadvantages: If cut error, it will not be edited

3. The second process is Drilling process. We
will drill hole at the upper part of product
to a size 2×2 cm² because nature of the
mayfly will fly approach light

4. Advantages: It may be space of the work
piece,the beam of light shines out.
Disadvantages: May cause deformation of the
work piece shape.

5. We will compound the light with
upper work piece that be drilled.

6. Advantages: Light of lamp to attract mayfly into
the product.
Disadvantages: Workpiece is workless when it
soak.

7. We will assemble all the pieces
together, water into the lower
portion of the workpiece .

8. Advantages: Keep mayfly can not fly.
Disadvantages: The parts can be damaged
when the water contact the lamp.

9. Thank you