advance - an improvement or development in something, automation - the use of machines or computers instead of people to do a job, efficiency - the good use of time and energy in a way that does not waste any resources or efforts, revolutionary - radically new or innovative, to eliminate - to remove or take away someone or something, to improve - to get better or to make something better, to increase - to become or to make something become larger in size, amount, importance, etc., to reduce - to become or to make something become smaller in size, amount, importance, etc., to strengthen - to make something stronger or to become stronger, to worsen - to become worse or to make something become worse,

Lesson. 4 Task 4

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