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wooden box with the inscription \
Businessman with a notification icon
Archaeological pit to study stratified soils
Good Curling! Scoreboard for a curling game.
Chalk drawing of building by child on Blackboard - Stock Image as JPG File
Frame made of school blackboard with chalk traces and binary code. Can illustrate the concept of online education - distance learning, distance education, e-learning, online learning. Space for copy.
Malaysia's Independence day concept and also known as Hari Merdeka
10th of October desktop calendar page for Turkey Victory Day isolated on white background. Easy to crop for all your social media or print sizes.
a piece of paper with the number 16 on it clamped on an iron
BRICS (Brazil, Russia, India, China, South Africa)
Blackboard inscribed with scientific formulas and calculations in mathematics. Science and education background.
Maths problem at a rather run-down green-board, written in chalk
Isolated blackboard with periodic table, Arsenic, chemistry
Old sign on a railway platform
the working time of an employee at the workplace in a company
Number Eight on paper
Solfege musical notes written on school blackboard
Number 1 Pattern Design on Banknote
Antibiotic resistance. An antibiotic disc placed over a culture of bacteria.
sphere,abstract,backgrounds,circle
physical formula. Black school board. E mc2
A blackboard filled with formulas and equations
Close up of the house number 67
cmyk color management system cirlces
sea battle game, hand-drawn with a pen in a white notebook, rest on a break, school game, child's sea battle
Crisis management plan
chemical formula on blackboard
Countdown concept. Number 6 on the swirl pattern
Glyph of the italian number EIGHT (otto) written on a blackboard with chalk.
Math formula on blackboard
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