Ключевые слова: app, background, bio, biometric, black, computer, concept, crime, dark, design, equipment, finger, fingermark, fingerprint, flat, hand, human, icon, identification, identity, illustration, isolated, key, line, linear, logo, logotype, metric, mobile, outline, pattern, people, print, protection, safety, scan, scanner, science, security, sign, simple, simply, symbol, technology, thin, thumbprint, unique, web, white,