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Question

The diagram below shows two different processes for manufacturing black tea.
Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
Write at least 150 words.

Given is a diagram illustrating two distinct stages, which are conventional and modern methods in the production of black tea.

 

Overall, this product undergoes five main steps, commencing with tea leaf harvesting and culminating in the drying phase. 

 

In the first step, only buds and two top leaves are collected in order to guarantee high-quality tea. After gathering raw materials, a withering process is conducted. In this phase, the leaves are dried by passing air through them on racks to remove 60% of the moisture in them. 

 

Following the preliminary treatment, either a traditional or modern method is adopted to treat the black tea. Regarding the former process, loose tea is created by rolling the leaves flat and breaking them into smaller pieces, during which enzymes are released from the tea leaves. In the latter process, the materials are quickly cut, torn, and curled into granular pieces on purpose to produce tea bags. 

 

Subsequently, the products of these two methods experience an oxidation or fermentation phase, where the leaves are spread on tiles or cement in order to facilitate the reaction between enzymes and air, which turns the tea leaves a copper color. After that, ovens or hot air dryers are utilized to dehydrate the black tea. Thanks to this step, 3% of the moisture is left, plus the flavor and aroma of the leaves are created.