How an Overhead Projector (OPH) Is Used

How an Overhead Projector (OPH) Is Used

An overhead projector (OPH) is a device that is used to cast a transparency image on a screen. The process of using OPH involves a number of steps. First, OHP is placed on a table, which is positioned several feet from a screen and plugged into an electrical socket. Next, a transparency face is placed up on the plate glass surface of OPH, and the switch of OPH is turned on. Finally, the height of OPH is adjusted so that an image is centered on the screen, and the focus knob of OPH is turned until the clear image is projected.

How a Magnet is Made

How a Magnet is Made

A magnet is an object that attracts other object. The process of making a magnet involves a number of steps. First, small pieces of paper are randomly arranged on a table. Next, a plastic comb is briskly rubbed with a piece of wool so that the comb gains electrons, and negativelycharged comb is held over the pieces of paper. After that, the pieces of paper are thoroughly removed from the comb. Finally, the first step is repeated through fourth step to verify results.

فلاش : عن رسول الله - بالإنجليزي

فلاش : عن رسول الله - بالإنجليزي

the prophet Muhammad

I am acivil engineer

I have decided to major in civil engineering, as appropriate teaching materials as well as me its career. And that the objectives of this area preservation of the environment. Lastly, I wish to be a civil engineer able to provide the needs of the community in the area of civil works

Noura.F

My name is noura . I am 19 years . I study in Kuwait University . I major in engineer college . I have decided to major in engineer college to serve my country and the function is required . Finally, I hope to be successful in my studies and my job