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Asian traditional doctors. Doctors are preparing or explaining medicine. Upper body characters giving explanations.
Group of students attentively listening to lecture of female teacher in classroom
Motivated young student presenting report to group of fellow male students sitting in auditorium of educational institution
two points of view. Joe and john are right, but their points of view are different. It's for that they disagree

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Waiter explaining the menu to a couple at the restaurantImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/waiter-explaining-menu-couple-restaurant-126378482">Image used under license from Freestock.com</a>
Mechanic explaining to a woman what is the problem with her carImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/mechanic-explaining-woman-problem-car-97616927">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-792775102">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-776004919">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-773584489">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-757564681">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-675541861">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-653375878">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-636058976">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-617996567">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-598997834">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-506554906">Image used under license from Freestock.com</a>
A young chemistry teacher in the middle of a chemical process explanation with tubes, reactions drawn on the blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-chemistry-teacher-middle-chemical-process-478052083">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed male employee with drawn question, explamation marks, talk bubble above his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-male-775990273">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed male employee with drawn question, explamation marks, talk bubble above his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-male-1007374945">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed female employee with drawn question, explamation marks above her headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-female-789146476">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed male employee with drawn question, explamation marks, talk bubble above his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-male-792753403">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed male employee with drawn question, explamation marks, talk bubble above his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-male-773568283">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed male employee with drawn question, explamation marks, talk bubble above his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-male-678032623">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed female employee with drawn question, explamation marks above her headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-female-675517321">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed female employee with drawn question, explamation marks above her headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-female-654844960">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed male employee with drawn question, explamation marks, talk bubble above his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-male-667152274">Image used under license from Freestock.com</a>
Dentist explaining how to brush teeth on a prosthesisImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/dentist-explaining-brush-teeth-prosthesis-92524363">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed male employee with drawn question, explamation marks, talk bubble above his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-male-628062956">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed female employee with drawn question, explamation marks above her headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-female-608669117">Image used under license from Freestock.com</a>
Caucasian business hand pointing at stressed male employee with drawn question, explamation marks, talk bubble above his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/caucasian-business-hand-pointing-stressed-male-450553486">Image used under license from Freestock.com</a>
Young person presenting something with empty spaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-person-presenting-empty-space-1536495587">Image used under license from Freestock.com</a>
Explaining something dramatic.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/explaining-dramatic-2908997">Image used under license from Freestock.com</a>
Businessman holding a book with question mark symbol.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-holding-book-question-mark-symbol-1220509987">Image used under license from Freestock.com</a>
Businessman speaking into microphone with speech bubbles over his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-speaking-microphone-speech-bubbles-head-1220504200">Image used under license from Freestock.com</a>
Businessman speaking into microphone with arrows pointing towards his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-speaking-microphone-arrows-pointing-head-1209311533">Image used under license from Freestock.com</a>
Businessman holding book with letter concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-holding-book-letter-concept-797855596">Image used under license from Freestock.com</a>
Man holding and reading a shiny book.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/man-holding-reading-shiny-book-797855614">Image used under license from Freestock.com</a>
Businessman speaking into microphone with scribbles over his head Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-speaking-microphone-scribbles-head-797838574">Image used under license from Freestock.com</a>
A young teacher in glasses sitting at classroom desk with pile of books in front of clean blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-teacher-glasses-sitting-classroom-desk-1053668435">Image used under license from Freestock.com</a>
Man holding a book with document symbols around.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/man-holding-book-document-symbols-797855602">Image used under license from Freestock.com</a>
Businessman speaking into microphone with mixed doodles over his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-speaking-microphone-mixed-doodles-head-797838544">Image used under license from Freestock.com</a>
A young teacher in glasses sitting at classroom desk with pile of books in front of blackboard saying back to school drawing concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-teacher-glasses-sitting-classroom-desk-789193528">Image used under license from Freestock.com</a>
Female hand in suit holding tablet with no wallpaperImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/female-hand-suit-holding-tablet-wallpaper-1282410064">Image used under license from Freestock.com</a>
A young teacher in glasses sitting at classroom desk with pile of books in front of clean blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-teacher-glasses-sitting-classroom-desk-789193522">Image used under license from Freestock.com</a>
A young teacher in glasses sitting at classroom desk with pile of books in front of blackboard saying back to school drawing concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-teacher-glasses-sitting-classroom-desk-792775108">Image used under license from Freestock.com</a>
A young teacher in glasses sitting at classroom desk with pile of books in front of blackboard saying back to school drawing concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-teacher-glasses-sitting-classroom-desk-1007467753">Image used under license from Freestock.com</a>
Businessman holding book with letter concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-holding-book-letter-concept-771754126">Image used under license from Freestock.com</a>
A young ambitious teacher in glasses sitting at classroom desk with pile of books in front of blackboard full of math calculations, numbers, back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-ambitious-teacher-glasses-sitting-classroom-789193525">Image used under license from Freestock.com</a>
A young ambitious teacher in glasses sitting at classroom desk with pile of books in front of blackboard full of math calculations, numbers, back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-ambitious-teacher-glasses-sitting-classroom-788426389">Image used under license from Freestock.com</a>
A passionate young teacher sitting at school desk with pile of books in front of blackboard drawn full of back to school items concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/passionate-young-teacher-sitting-school-desk-635190311">Image used under license from Freestock.com</a>
A young teacher in glasses sitting at classroom desk with pile of books in front of blackboard saying back to school drawing concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-teacher-glasses-sitting-classroom-desk-776004916">Image used under license from Freestock.com</a>
A young teacher in glasses sitting at classroom desk with pile of books in front of clean blackboard back to school concept.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/young-teacher-glasses-sitting-classroom-desk-788426392">Image used under license from Freestock.com</a>
Man holding and reading a shiny book.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/man-holding-reading-shiny-book-1232055016">Image used under license from Freestock.com</a>
Businessman speaking into microphone with speech bubbles over his headImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/businessman-speaking-microphone-speech-bubbles-head-721808071">Image used under license from Freestock.com</a>

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