Teenage students pass examination while a teacher walking along the class with papers in his hands
Medium shot of multiethnic group of young migrant students passing finished test papers to mature Caucasian male teacher during language class at modern library
Out of focus ship passing
Young Asian student giving papers to female group mate while sitting together at desk and passing exam on programming class
Woman helping classmates with task in computer class
Airliner stewardess passing out drinks
School kids passing a note in an elementary school class
Group of children passing 3D printer detail and examining it while having additive manufacturing class with male teacher in primary school