The logo of the android 4.4 operating system is redThe logo of the Android 4.4 operating system is red
Operating system for smartphones, tablets, e-booksOperating system for smartphones, tablets, e-books
Smoke is a stable dispersed system consisting of fine solid particlesSmoke is a stable dispersed system consisting of fine solid particles
Schematic representation of the operating system on a green backgroundSchematic representation of the operating system on a green background
Reliable weapon with an additional system for sightReliable weapon with an additional system for sight