Work_structure_arm
short long

d	Ws_activity_item
d	Ws_activity_method_item
d	Ws_approval_item
d	Ws_certification_item
d	Ws_characterized_activity_definition
d	Ws_classification_item
d	Ws_classified_attribute_select
d	Ws_condition_item
d	Ws_condition_parameter_item
d	Ws_contract_item
d	Ws_date_or_date_time_item
d	Ws_documented_element_select
d	Ws_effectivity_item
d	Ws_identification_item
d	Ws_justification_item
d	Ws_justification_support_item
d	Ws_location_assignment_select
d	Ws_observed_context
d	Ws_organization_or_person_in_organization_item
d	Ws_security_classification_item
d	Ws_state_definition_of_item
d	Ws_state_of_item
d	Ws_string_select
d	Ws_time_interval_item