mainly Photostat machine are used by the shopkeepers. but these are mainly used in offices.
Photostat machine was created in 1907.
The first photostat machines were produced in the early 1900's by the Rectigraph Company.
A photostat machine is used to make copies of documents or printed materials. It works by using a light and lens to expose the original document onto a light-sensitive photographic paper, creating a duplicate copy. It was commonly used before the advent of modern copiers and scanners.
Not all but color copiers are recommended to put a unique identification mark on each copy they produce in order to trace the origin of machine in event of any counterfeiting. Many copier manufacturer companies in their catalogues write that this identification code is visible under a special light (such as UV or IR). However, even it is so, the old copier market which is growing so rapidly and where no records of sales are kept make it difficult for tracing down the machine even with the unique identification code. A better way to check the counterfeiting is exercising self discipline.
Here is a compound machine.
Using a fax machine is a really easy process once you have done it a few times. Once you go through the initial process of learning how to use your fax machine by reading the instructions and then following them, you will know how to use your fax machine whenever you need it. A fax machine is not a complicated machine, but there is an order that you must follow when using the fax machine.
Yes, plexiglass can be etched using a laser engraving machine.
The two forces involved in using a machine are the input force, which is the force applied to the machine, and the output force, which is the force exerted by the machine to do work. The relationship between these forces determines the machine's mechanical advantage.
Using a leg press machine is great exercise. There are many benefits to using the leg press machine such as increased muscle tone, decreased fat, and just general toning.
by using a machine
what are advantages and disadvantages of shapper machine
This is not true - the machine will work with out power