Chalk lines on blackboard illustration

a chalk lines illustration of a a document being read, in style of chalk lines drawing, on a plain dark blue blackboard background 3d render --ar 16:9 --v 6.0

a chalk lines illustration of CBRN(chemical, biological, radiological, and nuclear), in style of chalk lines drawing, on a plain dark blue blackboard background 3d render --ar 16:9

a chalk lines illustration of CBRN(chemical, biological, radiological, and nuclear), in style of chalk lines drawing, on a plain dark blue blackboard background 3d render --v 6.0

a chalk lines illustration of rescinded publications, in style of chalk lines drawing, on a plain dark blue blackboard background --ar 2:1

"Several slender pieces of chalk and cigarettes, set against a backdrop of analyses and notes from classic literary works, used by a teacher to impart vital life lessons to students."

a chalk lines illustration of a a document being read, in style of chalk lines drawing, on a plain dark blue blackboard background 3d render --ar 16:9

a chalk lines illustration of CBRN(chemical, biological, radiological, and nuclear), in style of chalk lines drawing, on a plain dark blue blackboard background 3d render