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Complex math learning and formula on a chalkboard. i equals square root of negative 1. Handwritten on chalkboard
Thulium, Ytterbium, Lutetium on the periodic table of the elements on black blackground,history of chemical elements, represents the atomic number and symbol.,3d rendering
Blank golf scorecard
Image of a blackboard with mathematical expressions written on it
Used golf score card. A little grungy to give it a used look.
lotto game with cards of different colors
In Western Colorado Parts of a School Class Room Getting Ready For Back To School Photo Series (Shot with Canon 5DS 50.6mp photos professionally retouched - Lightroom / Photoshop - original size 5792 x 8688 downsampled as needed for clarity and select focus used for dramatic effect)
Weathered grunge square metal enameled plate of number of street address with number 23 isolated on white background
Handmade marseille soap made from 72% pure olive oil displayed for sale
English class. Grammatical categories Verb Tenses and Aspects
Periodic system. Closeup of some elements
Dos and donts concept image with text and related symbols.
Mountain road sign
Diamond shaped NFPA sign provides information about hazards and severity that may occur during emergency response.
225km marker on the banks of the Rhine River at Breisach, Germany
Number 7 in stencil on metal wall in green tone. Abstract background and texture for design.
Hand Lettering DAILY WORDS. 3D Realistic Stylish Isolated on White
bank card with one-time password numbers, numbered list
High angle view of track and field race course starting line with numbers 2, 3 and 4 on all weather rubber running track.
Payment terminal
variety of labels,tags and other paper ephemera items against black
Химический элемент криптон с серийным номером из таблицы Менделеева. Рисунок мелом.
Vaccination Card for Covid-19 with hand writing
Close-up photo of eye chart
Black number 3 sprayed on the wall
International greeting. Word Hello in different languages for school advertisement on green background
Number thirteen 13
Soccer football field on chalkboard
Diesel Price Sign
Free Images: "bestof:姚姓 - 楷体.svg en Yao surname in regular script 2012-09-18 23 39 42 own Hintha cc-zero Uploaded with UploadWizard Surnames Chinese characters"
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