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definition-Before

Definition:

“Before” is a Parameter used to indicate planned sequencing of events, including Evo-Steps and tasks.

Alternative Names

Concept Number: *312
English Master: Before
Synonyms, Variations & Acronyms: none

Detailing

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Illustrations

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Type

Logical-Operator


Examples

Example:

Stage Liftoff: Step: {Ignition On Before Check Thrust OK, Ignite Motors}
=> Release Tie Down}.

The Evo-Step is planned as a sequence of Step-Elements. Ignition On is to be done first. Followed by Check Thrust OK. Ignite Motors can be done anytime in relation to the first two, but, since it is in the brackets, it, as well as the other two events in the brackets, must be done Before Release Tie. The use of the => icon or the term “Before” is a matter of taste; and both are used here for illustrative purposes.


Notes

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Keyed-Icons

=>

Note: The same icon is used for both Before and After. Only the positions of the related tags need be positioned correctly, <”Before” event Tag> => <”After” event Tag>.


Drawn-Icons

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History-of-Concept

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This Concept entered by Diane O'Brien.

Created by system. Last Modification: Thursday 11 of July, 2019 13:49:05 CEST by Admin (Kai).

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