Don Wetzel, Tom Barnes and George Chastain developed the ATM cards, cards with a magnetic strip and a personal ID number to get cash. ATM cards had to be different from credit cards (then without magnetic strips) so account information could be included. 1  Don Wetzel-The ATM.
Par 8 9 THE SKIN The skin is a highly organised, complex system of nerves, tissue and cells designed to harmonise the horseâs metabolism with his internal and external environment. Structurally, the skin consists of the epidermis and the dermis.It is the largest, heaviest organ in the horseâs body. Its healthy condition is of vital importance to health and survival. The epidermis is made up of several stratified layers of tough, non-vascular cells that vary in thickness.ar 8 9 THE SKIN The skin is a highly organised, complex system of nerves, tissue and cells designed to harmonise the horseâs metabolism with his internal and external environment. Structurally, the skin consists of the epidermis and the dermis.
A fully developed horse of around five years of age will have between 36 and 44 teeth. All equines are heterodontous, which means that they have different shaped teeth for different purposes.All horses have twelve incisors at the front of the mouth, used primarily for cutting food, most often grass, whilst grazing. horse can have between zero and four canine teeth, also known as tusks (tushes for the deciduous precursor), with a clear prevalence towards male horses (stallions and geldings) who normally have a full set of four. Fewer than 28% of female horses (mares) have any canine teeth.