Digital signage is a sub-segment of signage. Digital signs use technologies such as LCD, LED and Projection to display content such as digital images, video, streaming media, and information. They can be found in public spaces, transportation systems, museums, stadiums, retail stores, hotels, restaurants, and corporate buildings etc, to provide wayfinding, exhibitions, marketing and outdoor advertising.
http://www.zyodisplay.com/digital-signage/

Mould is a fungus with a significant function within the ecosystem by releasing enzymes to break down dead organic matter such as plants, or any natural biodegradable substance.
http://www.yatfeimould.com/mould/

Cutting disc contains different abrasives which allow the disc to actually be able to cut steel but also, different abrasives are designed for specific metals. Take care with this step as if you select a disc designed for another metal, you could completely destroy your job by contaminating it.
http://www.winoneabrasives.com/cutting-disc/

Kids scooter is designed with 3 wheels and also very low to the ground which gives it better stability and makes it easier to balance. With steering designed to be safe, it allows children as young as 2 to easily steer the scooter by shifting their body weight.
http://www.wanyuscooter.com/kids-scooter/

Every manual transmission produced by Toyota uses a clutch, which is designed to gently and gradually connect the engine to the drive wheels. Pressing down on the clutch disengages the engine from the drive wheels. Determining the precise problem with a Toyota clutch requires that the clutch be visually inspected and, in some cases, disassembled.
http://www.mhclutch.com/toyota-clutch/