Inversiones en el trabajo de oficina - necesito una corrección La tecnología avanzada en el trabajo de oficina ha mejorado la producción de los trabajatores, porque ellos son más rápidos en su trabajo y pueden gastar más tiempo adelante del escritorio. Por ejemplo, las fotocopiadoras pueden hacer ahorrar en hacier las copias y los documentos; la introducción de la email permite una comunicación más veloz, conveniente y barata, y reduce los encuentros entre los trabajadores. Estos tipos de inversiones es un bueno negocio para las empresas. Pero, esta tecnologia causa tambien malos efectos a ellos, porque genera problemas fisicos y esto puede reducir su productividad. En efecto, gastando todo el dia adelante del ordenador, le causa dolor a los ojos, la espalda y al cuello. Para intentar de resolver todo estos malos efectos y aumentare la productividad y la salud, es bueno tenere una pausa de cinco minutos cada hora, donde el trabajadore se levanta, tiene una comida fuera de la oficina y usa sillas y teclado ergonómicas en su escritorio.

Investments in Worker's Technlogy - I need a correction please. Advances technologies in work office have increased the worker's production, because workers are more quickly in their work and they can spend more time in front of the desk. For example, the photocopy machines save worker's time in making copies and documents; the introduction of the email making the comunications more fast, convenient and cheap, and they eliminate the frequent worker's meetings. All this making these types of investiments a big pay back for business choices. Instead, the technologies in work office causing also a bad effects for physical problems in workers and it can reduces their productivity. In fact, spending all the day in front of the computer, causing pain to the eyes, the back and the neck. For trying to resolve these bad effects and incresing productivity and health, it has been suggested to have a break where the workers getting up and walking around for five minutes every hour, to have a meal out the office and to use ergonomic chairs and keyboards in their desk places.

The increase in temperature - I need a correction please. The human's activities have increased the earth's temperature in the last two centuries. This is starting during the first industrial revolution, when the humans being started to pulluted the environment with coal and gas, which had started the greenhouse gases process. Today the greenhouse gases have increased the temperature until 1,5 grades Fahrenheit: this is a negative effects for the environment like the water scarcity and the extinction numerous plants and animals. In the last years the USA's weather stations have recorded the increase of the temperature in the North – East of the country, which is increased serial degrees Fahrenheit. The greatest negative effects about the temperature change are in winter season (to December until March) in the rural area of North - East, because it damages one big sector of the economy: the skiing tourism, especially sky centers, hotels, restaurants and gift shops.

Please correct the errors in the english text. The end of gas and oil reserves. In the world gas and oil supply are limitated and they will finish soon. Today the coal, gas and oil reserves are near to their end. For reduce the human dependence from this types of energy, I am inclined to believe that the countries must use more the renowable energies, like wind and solar energies. Furthermore the governments should be stimulates with fiscal benefits the renowable energies; in this way, the humanity could be made independent from the oil reserves but also for to save the planet from the pollution.