mistake action and rejecting action

effectual

effectual countermeasures

effectual cross-sectional area of spinal canal

effectual drying time

effectual duration

effectual factors

effectual obscurant area

effectual point

effectual porosity

Effectual Stress System

feasible area of effectual attack

Neutral Un-effectual Grounded System

neutral un-effectual grounded system (NUGS)

non-effectual grounding system

(Z2)(k)-action

(Z2)k-action

~(40)Ar-~(39)Ar fast neuron activation dating

“process-interaction-action” study

2nd activation domain