Letter WritingFollow

Could you please correct this and then let me know which corrections you've made and the why for them?

Thank you!

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Dear Sir,

I am writing to inform you of a problem with a computer I purchased at...

Hi!
Could you please take a look at my letter of motivation? I'm quite hesitant if it's personal enough for a university application, and if it's gramatically correct. The word limit is min 800 - max 1000 words. There isn't any specific questions or anything, they just require a letter like ...

Dear members of Selection Committee,

I am writing to express my great interest in applying for the CERN Summer Student Program.

In high school I graduated with mathematics and physics as my majors. I continued with studies in Physics at University of Ferrara, where I obtained a three...

Hello, my name is Ciuncanu Iuliana, i’m 20 years old and I want to attend to one year course at the Faculty of Medicine in your country.

One of the most valued professions in the world is that of a doctor. Every little girl's dream is to become a doctor when she grows up, including mine. E...

I would like to seek someone’s comments on the sentence structure of the following email written to users for the replacement of the UPS systems. Thanks

Dear Jackson

Regarding the preventive maintenance (PM) service of UPS 1 & 2 at ABC’s building, on 20/F, XXX’s company is the s...

i am working in SMEH company for 3 year (march/ 3/ 2014) as a labor
Mr. engineer Usman promoted me labor to technician . but in my iqama profession as labor
so i would like to change my iqama profession to technician
So please can you help me
Request and by paying what need to ch...