действие, воздействие; деятельность
- action at a distance
- aggressive action
- arching action
- atmospheric action
- backward and forward action
- boggy action
- bounding action
- cataract action
- centrifugal action
- chemical action of concrete setting
- climatic action
- combined action
- control action
- delayed action
- double action
- dynamic action
- earthquake action
- equivalent action
- fly ash action in mix
- freeze-thaw action
- frost action
- gravity action
- high-low action
- indirect action
- most unfavourable action of load
- principal action of admixture
- reciprocal action
- safety action
- shearing action
- statical action
- steady action
- temperature action
- two-way action
- vacuum breaking action
- wind pressure action on the structure