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According to the shown types of builds it is possible to design adjustable seats in cars and buses, or adjustable armchairs in cars of passenger trains and interiors of air liners, namely adjustable armchairs which passengers can adjust according to individual types of bodies, and according to simple and convenient ordering of human types of builds by means of symbols of the canon of changes i-jing.

Type of body build 64L.
Gallery of lateral projections of a body.

Formal meanings of body shapes.
Back (min) - absence of pessimism.
Subjective realization of force is not present.
Breast (max) - conspicuous optimism.
Objective realization of force.
Loins (min) - adequacy of nicety or elegance.
Subjective self demonstration.
Abdomen (max) - excess of a life contentment.
Objective self demonstration is not present.
Buttocks (min) - temperance of existence.
Subjective realization of resources is not present.
Legs (max) - enough effective activity.
Objective realization of resources.

Conspicuous optimism is amplificated by absence of pessimism.
Adequacy of nicety is denied by excess of a life contentment.
Enough activity is comparable to temperance of existence.

64th hexagram has the name "still not the end" in the Book of Changes i-jing, that is possible to understand as renewal of actions and consequently this type of a body build is compared with 64th hexagram. As expressed levels of a forward surface of a body contrast with not expressed levels of a back surface of a body, namely conspicuous optimism and enough activity are shown that confirms meaning "still not the end". Provided that meanings of hexagrams i-jing can be understood differently, but however such understanding of meanings is chosen in offered system of types of a body build. Namely words "already the end" are understood as achievement of result that corresponds with pessimism and an end of activity, and words "still not the end" are understood as comprehension of uncompleteness of actions that corresponds with optimism and renewal of activity.
In this connection the entire lines in hexagrams i-jing are compared to not expressed levels of a body, and the break lines are compared to expressed levels of a body.

Zodiacal ratio of body shapes.

Back and breast - IX zodiacal house.
Explanation of processes and comprehension of events.
Loins and abdomen - V zodiacal house.
Maintenance of processes and acceptance of events.
Buttocks and legs - I zodiacal house.
Initialization of processes and generating of events.

I and V houses - angle of 120 degrees.
Execution of resources and self demonstration have favorable parities.
Initialization and generating are favorable with maintenance and acceptance.
V and IX houses - angle of 120 degrees.
Self demonstration and performance of force have favorable parities.
Maintenance and acceptance are favorable with explanation and comprehension.
IX and I houses - angle of 120 degrees.
Performance of force and execution of resources have favorable parities.
Explanation and comprehension are favorable with initialization and generating.

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concepts of lateral projections of a body
About ordering of bodies for adjustable armchairs in cars of passenger trains and air liners.