Smoke is a stable dispersed system consisting of fine solid particlesSmoke is a stable dispersed system consisting of fine solid particles
Information flow in the system on a black backgroundInformation flow in the system on a black background
A multi-purpose british hawker aircraft has just landedA multi-purpose British hawker aircraft has just landed
Landing of a paratrooper in a field after a parachute jumpLanding of a paratrooper in a field after a parachute jump