ガス栓せん

noun

gas tap; gas cock

A valve or stopcock for controlling the flow of gas, typically found on gas appliances or pipes.

• ガス栓せんを閉しめてから掃そう除じを始はじめてください。

  Please close the gas tap before starting to clean.

• 地じ震しんのときはすぐにガス栓せんを閉しめましょう。

  In an earthquake, let's close the gas cock immediately.