sign at blackboard

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Size: 2848px × 4288px
Photo credit: © aialamy / Alamy / Afripics
License: Licensed
Model Released: None

Keywords: abstract, abstrct, background, banner, blackboard, blank, board, business, chalk, chalkboard, concept, design, frame, goal, hook, icon, iron, key, label, lock, lockstitch, metal, object, office, open, pad, padlock, pattern, protection, reflection, safe, safety, security, shackle, shining, shiny, sign, steal, steel, striped, stronghold, symbol, tag, target, texture, unlock, white