L5 Text Types:Reports of the mangrove flowers and on the insects that live in the mangrove trees.At low tide, mudflats on the deep water side of the mangrove forests are feeding sites for other bird species,such as the striated heron,Ardeola striatus,that feeds on snails and crabs. All these different kinds of organisms are part of the living community of the mangrove forest. Text 3 Ergonomics Ergonomics(人体工程学)can be defined as the design of work so that the best is made of human capabilities without exceeding human limitations. Standards Association of Australia.Australian Standard 1837-1976:Ergonomics in Factory and Office Work, Standards Australia,North Sydney,1976. The evolution of a product or design based on ergonomics relates the product or design to the physical needs of the user.These physical needs include not only size and position but other aspects such as floor surfaces,illumination levels,hand grips, switch standards and vision. Understanding the physical needs of the user allows the designer to cater for individual differences and to create products that cater for the needs of the majority of consumers.Ergonomics is to do with the human body as a whole but it also involves the function of parts of the body and the ease with which humans perform simple tasks. Text 4 Blood Type Blood Type,in medicine,is the classification of red blood cells by the presence of specific substances on their surface.Typing of red blood cells is a prerequisite for blood transfusion.In the early part of the 20th century,physicians discovered that blood transfusions often failed because the blood type of the recipient was not compatible with that of the donor.In 1901 the Austrian pathologist Karl Landsteiner classified blood types and discovered that they were transmitted by Mendelian heredity.The four blood types are known as A,B,AB,and O Blood type A contains red blood cells that have a substance A on their surface. This type of blood also contains an antibody directed against substance B,found on the red cells of persons with blood type B. Type B blood contains the reverse combination. Serum of blood type AB contains neither antibody,but red cells in this type of 4/9L5 Text Types: Reports 4 / 9 of the mangrove flowers and on the insects that live in the mangrove trees. At low tide, mudflats on the deep water side of the mangrove forests are feeding sites for other bird species, such as the striated heron, Ardeola striatus, that feeds on snails and crabs. All these different kinds of organisms are part of the living community of the mangrove forest. Text 3 Ergonomics Ergonomics (人体工程学) can be defined as the design of work so that the best is made of human capabilities without exceeding human limitations. Standards Association of Australia, Australian Standard 1837-1976: Ergonomics in Factory and Of ice Work, Standards Australia, North Sydney, 1976. The evolution of a product or design based on ergonomics relates the product or design to the physical needs of the user. These physical needs include not only size and position but other aspects such as floor surfaces, illumination levels, hand grips, switch standards and vision. Understanding the physical needs of the user allows the designer to cater for individual differences and to create products that cater for the needs of the majority of consumers. Ergonomics is to do with the human body as a whole but it also involves the function of parts of the body and the ease with which humans perform simple tasks. Text 4 Blood Type Blood Type, in medicine, is the classification of red blood cells by the presence of specific substances on their surface. Typing of red blood cells is a prerequisite for blood transfusion. In the early part of the 20th century, physicians discovered that blood transfusions often failed because the blood type of the recipient was not compatible with that of the donor. In 1901 the Austrian pathologist Karl Landsteiner classified blood types and discovered that they were transmitted by Mendelian heredity. The four blood types are known as A, B, AB, and O. Blood type A contains red blood cells that have a substance A on their surface. This type of blood also contains an antibody directed against substance B, found on the red cells of persons with blood type B. Type B blood contains the reverse combination. Serum of blood type AB contains neither antibody, but red cells in this type of