Education users
Professors, students and teachers are free to use it in classroom presentations and demos, dissertations and other non-commercial academic works, researches and all related not-for-profit activities. The use of our files is still bound by a license but its use is completely free as long as:
(1) the downloaded image is used according to its terms and conditions;
(2) humanline.com is accredited as the source by a credit line or an active link to our website; and
(3) it is not distributed to third parties.
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