Ключевые слова: assembly, authentication, cellphone, clean, cover, cyberspace, damage, database, device, eyeglasses, face protection screen, glass, infection, mobile, padlock, person, phone, physics, privacy, private, protect, protection, protection concept, protective, reflection, repair, safety, screen, secure, security, service, shield, smartphone, technology, telephone, tempered glass, touch, touchscreen, transparency, transparent, waterproof,