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1:Competition for this month : How to sell used products?
Please suggest ways to sell household used products. It may be a garage sale, what's app group or what ever you think suitable. Best article will win the prize.
2: The real cause of Air pollution!
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3: Answer to previous puzzle :
Sree Laksmeesha solved the puzzle in just 1 minute. answer is 0,0,1. as sugar balls will dissolve and wooden balls float away, only iron balls will sink in to the river bottom. Congratulation to him.
4: Inkjet printer vs laser printer.
Ink jet printer.
Advantages:
- Initial cost is very less: compared to laser printer, the cost of the inkjet printer is nearly 1/3rd. This is the very big advantage and in most of the places, it is because of this reason, inkjet printer is preferred. colour printing is also possible for less money: in many inkjet printers, with an additional cartridge, colour printing will also be provided.
- Initial coast colour printer is very less compared to laser colour printer.
- Compact; inkjet printers will be very compact. less number of parts, hence maintenance will be less.
- Consumes very less electrical power.
Disadvantages:
- Quality of print: This depends upon the quality of paper. Most of the paper will absorb more ink and prints, especially of photos will smudge.
- A very good quality paper should be used.
- Inkjet replacement: only original will reproduce the same quality. Duplicate cartridges will produce low quality prints.
- Only some companies use water proof ink. So, even after one month, if the print becomes wet, colour will be washed out. This is the biggest disadvantage.
- Speed of printing will be less. This is measured as ppm that is prints per minutes.
- Running cost is high, that is cost per copy will be more, we have to take at least one print in two days, or else, ink will dry out at the tip and it will have to be cleaned.
Laser printers:
Advantages:
- Once the cartridge is replaced, it gives about 2000 copies, so no frequent replacements.
- Quality will be very high.
- High speed printing will be there in most of the machines.
- Large paper tray, more adjustments and so on will be there.
- Duty cycle, that is number of copies per day will be more.
- Less noise and very easy.
- Always water proof, we can wash the prints!
- Running cost will be very less.
- Any kind of paper can be used.
- Robust that is it is not delicate.
- No ink drying problem because, it uses dry power only.
Disadvantages:
- Initial cost will be high
- Bulky, containing too many parts.
- Too much of electrical power consumption
- Rollers are to be replaced frequently.
With all the factors listed above, no printer is good or bad. It depends upon our usage and requirement.
If large number of copies or required, then it is laser printer. If less number of copies or required, it is inkjet printer and so on.
So, many institutions will have both the printers and use them selectively.
5: My review of a radio
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6: A new ladder-chair by S Vittal Rao
let us congratulate him for having such ideas and enthusiasm even at this age .
7: What a coincidence!
A few years ago, I visited Goa with my wife and my two sons. It was a miracle to see that it was the same hotel but renovated! I was jumped with joy and told all my previous experiences of student visit to my family members. It was an unexplainable joy!
At this time also , we enjoyed seeing boats with decorations till 11 pm!. Almost no change in the river view!
The hotel was renovated. It is now having AC , WiFi, TV and so on.
These were never existed when I was a student. A good quality room,
with a river view costed very less.
That too, I was very much exited to see all these with my family members!
For dinner, we visited the same hotel, which had served me 30 years back!
All in all, you can only understand if you experience it!
Please send opinions, article and any of the things done by using your talents .
Thank you
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