Ключевые слова: 404, alert, alphabet, app, application, beware, browse, bug, business, caution, code, computer, connection, danger, debugging, defect, design, device, error, expect, fail, failure, fault, forklift, grass, green, incorrect, insect, internet, letter, mistake, monitoring, network, notification, online, program, protection, result, safety, security, software, source, system, test, threat, virus, warning, word, work, wrong,