The diagram below illustrates the main stages of soap production in the past and present. Summarise the information by selecting and reporting the main features, and make comparisons where relevant

The diagram illustrates the major steps of soap manufacturing before and nowadays. Overall, in the past soap was made by an individual by mixing and heating two ingredients. However, these days the process of producing soap contains 6 stages and the soap is made with the help of machinery at factories. Looking at the details, […]