Abstract: This invention relates to an article inspection system having one or more endless article conveyors configured to convey articles along one or more conveying paths. One or more light sources and one or more light diffusers are provided, wherein each light diffuser is positioned substantially at or below the level of the articles when conveyed along the conveying paths so as to illuminate, using light from the one or more light sources, at least side portions of the articles with substantially diffuse light when the articles are conveyed along the conveying path(s). At least one camera is positioned to image articles which are conveyed along the conveying paths.

Abstract: This invention relates to an article inspection system having one or more endless article conveyors configured to convey articles along one or more conveying paths. One or more light sources and one or more light diffusers are provided, wherein each light diffuser is positioned substantially at or below the level of the articles when conveyed along the conveying paths so as to illuminate, using light from the one or more light sources, at least side portions of the articles with substantially diffuse light when the articles are conveyed along the conveying path(s). At least one camera is positioned to image articles which are conveyed along the conveying paths.

Abstract: A mat for reducing the disturbance of particulate matter by wind, has a first layer of coarse mesh material, and a second layer of coarse mesh material. The first layer is held in a substantially fixed position relative to the second layer. The mat is particularly suitable for use as a helicopter landing mat, in conditions where dust, sand, snow, water or other particles or liquids might otherwise cause a disturbance resulting in loss of visibility, damage or wear to parts of the helicopter, and injury or damage to nearby people or equipment.