Various steps for preparing pond are described below.
Controlling Harmful Aquatic Plants & Animals. Aquatic weeds consumes almost all the nutrition from water. ...
Eradicating Cannibalistic & Unwanted Fish. ...
Applying Lime. ...
Applying Fertilizer.
it looks like an older model of a catholic church
Pinhole is basic camera without the lens and box shaped.
<u>Explanation:</u>
- It is a simplest form of camera with a small aperture and without the lens.
- It contains light proof box, a pinhole and a category of film.
- Pinhole is a tiny hole which we made by the pin of aluminum foil.
- It is used to capture the suns movement for a long time period.
- It is used for the reason of artistic.
- The production of real and image with inverted position which is lesser than the object.
- Pinhole occluders is used by the orthoptists, optometrists, the visual acuity is tested.
