Scissors mechanism

src: upload.wikimedia.org A scissors mechanism uses linked, folding supports in a criss-cross 'X' pattern. Video Scissors mecha...

Lymphedema

src: upload.wikimedia.org Lymphedema , also known as lymphoedema and lymphatic edema , is a condition of localized fluid retention and tiss...

Chairlift

src: www.outsideonline.com An elevated passenger ropeway, or chairlift , is a type of aerial lift, which consists of a continuously circulat...

Rolling code

src: i.ytimg.com A rolling code (or sometimes called a hopping code ) is used in keyless entry systems to prevent replay attacks, where an ...

Pallet

src: www.epal-pallets.org A pallet , sometimes inaccurately called a skid (a skid has no bottom deck boards), is a flat transport structur...