Moja wypowiedź na angielski - prośba o sprawdzenie

Temat przeniesiony do archwium.
Moją pracą domową było nauczyć się opowiadać o jakimś niezbędnym osiągnięciu techniki ;) Tu zwracam się z prośbą o sprawdzenie, czy nie mam tu błędów...:)

My indespensable gadget is mobile phone. In 1956 Erricson has fabricated the first cordless mobile phone, which had 40 kilo weight and size like typical case. The price was also very big! the price of cordless phone was like price of a very good car. Of course, today it's much lighter and cheaper.
I think, that the mobile is the most important gadget, because it's the most useful.
Today it isn't only a phone. Now we can texting. In adding it is also a digital camera and a music player, thanks to the minute size of its electronic components.
Thus I can take my mobile wherever I want and i can talking with everybody I want.

Będę bardzo wdzięczna, jak ktoś sprawdzi :)
Pozdrawiam
Weronika :)
a mobile phone... in 1956 Erricson moze produced lepiej, i Past simple /which weighted 40 kg. seized like.. price was very heigh./ A price of a cordless phone was the same price as a very good class car... In addition (zamist in adding)this mobile has build in camera and a music player.
I cam talk to (not talking) anyone I want.

More or less.
My indespensable (orto) gadget is A mobile phone. In 1956 Erricson PRODUCED (kto.to)the first cordless mobile phone, which " wazylo" 40 kilos and WAS THE size OF co??? . The price was also very big (zle slowo, nie okreslamy cene jako "big")! The price of A cordless phone was SIMILAR TO THE price of a very good car. Of course, today it's much lighter and cheaper.
I think that the mobile is the most important gadget, because it's the most useful.
Today it isn't only a phone. Now we can ALSO text (messages) (do kogo?). In adding (zle slowo, mysl "dodawanie" po ang.) it is (wszystkie komorki? "some mobiles") also HAVE BUILT in digital cameras and music playerS, thanks to the minute size of THEIR electronic components.
Thus, I can take my mobile wherever I want and I can talking (zly czas) with everybody (lepiej anyone) I want.

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