Preparation Words and sentences 3. Para. 19. L1 Paraphrase Drucker believed that companies increasingly relied on the so-called knowledge workers Knowledge worker" is a term created by drucker. The term refers to a new type of employees who make contributions to companies mainly by their mental capabilities instead of manual skillsPreparation Words and Sentences 3. Para. 19, L1 Paraphrase: • Drucker believed that companies increasingly relied on the so-called knowledge workers. • “Knowledge worker” is a term created by Drucker. • The term refers to a new type of employees, who make contributions to companies mainly by their mental capabilities instead of manual skills