the most important benefit of doing work by hand is it is always easier, and it does not require to go back and check the same work again since we do it carefully at the first time.
Doing work by hand is always easier if compared than machine. Also, this does not need the cost of repairs and daily maintenanceFrom give the evidences,
Given this evidence,...
For a concluding paragraph, it is nicer if you could construct this paragraph with the pattern below:
1. a 'conclusion' signal: In conclusion, ....etc,
2. a summary of the main points or a restatement of the thesis (in different words!)
3. a final comment, based on the information in the essay
The final comment can be:3.1. a warning or prediction (often using the first conditional: If ..., ... will ...)
3.2. a suggestion or recommendation (often using should or must)