Writing Feedback / There are five stages to process the raw materials into the commercial cement [2]

Writing IELTS Task 1 - The Stages of Cement and Concrete Production

The process how to produce cement and concrete as the material of buildings are presented in the diagrams. As seen, there are five stages to process the raw materials into the commercial cement ―crushing, mixing, heating, grinding, and packaging. This is more complex than the concrete production as it only needs a mixing step by adding several materials using in accurate composition in which gravel is the most material needed.

The stages of cement production are started from the crushing process while the limestone and the clay are pooled into the crushing machine until it becomes the powder. After that, the powder enters into the mixer and next it passes through the channel to get in the rotating heater. Finishing the heating process, the powder has to be grinded so that it becomes the cement which is ready to be packaged.

If cement will be used for building purposes, it needs additional materials to produce the concrete. As much as 50% gravel (small stones), 25% sand, 15% cement, and 10% water are mixed into the rotating concrete mixer to make it ready to use.

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Writing Feedback / Congestion and air pollution problems will not be over until the government applies the high tax [2]

TASK 2
Increasing the price of petrol is the best way to solve growing traffic and pollution problems.
To what extent do you agree or disagree? What other measures do you think might be effective?

Congestion and air pollution problems will not be over until the government applies the high tax for the people who have private vehicles more than one in order to decrease the number of private vehicles. Although increasing the price of petrol is considered to be a solution for this issue, this essay explains it is not the best way because Indonesia has ever raised the cost of the fuels, but the demand of private cars still increases recently. Finland can be a model country which succeeds in solving these problems.

Most of developing countries face the increasing number of vehicles which is the main cause of traffic jam and air pollution. Indonesia had tried to set the higher cost of petrol which is expected to be a way to reduce the number of private cars. However, it is more likely to be useless since the residents still afford to purchase the private cars even though they have to pay more expensive cost to fulfill the need of petrol.

Apparently, Indonesia must learn very much from Finland. As one of the healthiest countries in the world which has less pollution and traffic jam, Finland defines the high tax for private vehicles for their inhabitants. This regulation makes the alteration in people culture to more utilize the public transport than purchase the new car, so that it contributes to the decrease of traffic jam and air pollution in this country.

The key of success to solve growing traffic and pollution problems is the firmness and the consistency in applying the regulation about high tax for private cars. As long as it is controlled well, it is not impossible that Indonesia can be a country with a new face ―people can get the fresh air every day and the congestion is just a past.

Writing Feedback / Human impact gives the bigger influence as the threat to plant life rather than the natural events. [2]

Writing IELTS Task 1 - The number of extinctions of plant and animal species

The line graph presents the number of extinctions of plant and animal species in tropical forests between 2000 and 2100, while the factors causing plant life extinction are illustrated in the pie chart. Overall, the peak of plant and animal species extinction will happen in 2060. Then, human impact gives the bigger influence as the threat to plant life rather than the natural events.

From 2000 to today, almost 10,000 per million plant and animal species are extinct. This number will more and more increase sharply, and it is estimated reaching in peak in 2060 at 50,000 per million species. This fantastic number, however, will experience a gradual decrease in 2060 onwards to less than 30,000 per million species in 2100.

Specifically for plant life, the biggest threat causing the extinction comes from human impact which the percentage is fivefold bigger than natural event factors. Agriculture becomes the highest percentage affecting the plant extinction as much as 18.7 percent. Two other sectors which give much influence to the plant life are harvesting at 14.4 percent and development at 10.4 percent.

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Writing Feedback / It is essential to choose the right color scheme for hospital and office decor [2]

Writing IELTS Task 2
Question :
Psychologists have known for many years that color can affect how people feel. For this reason, attention should be given to color schemes when decorating places such as offices and hospitals.

How true is this statement? How far does color influence people's health and capacity for work?

It is essential to choose the right color to be applied in offices and hospitals decoration as a result of its effect for people's health and work capacity. Many psychologists claimed that certain colors can influence people's mood so I believe that colors have strong effect for people's health and work. Blue, green and white are the best colors to be applied in hospital because they have a healing effect to make the patients feeling calmness, while bright and attractive colors like light yellow or sky blue will increase the workers' creativity in the office.

Most hospitals use white as the wall's color because it is believed that it can reduce the patients' pain while undergoing the treatment. Blue and green also give the same effect as white so that it is usually used in several rooms in the hospitals like in the consulting room and the bathroom. A survey conducted in Indonesia involving all patients in 20 hospitals results almost 90% of respondents choose white, blue and green as the colors in hospital's room that make them feel comfortable.

Talking about working place, colors affect the employees' creativity as well. Certain colors like bright yellow or blue maximize the lighting in the office so it is good for the workers to finish their job. Some design companies in London also change the wall's color in their office annually which aims to raise the creativity and new idea from the workers.

So, that is really clear that colors can influence people especially in health and creativity. It is important to use white, blue and green as the decoration in the hospitals due to creating the pleasant atmosphere. It also works for the offices which apply bright colors on the wall to increase the workers' creativity.