step flashing
Of or relating to the nuclear physicist Enrico Fermi (1901–1954).
(chemistry) Any cation, of general formula X³⁺, formed by the removal of three electrons from a neutral species
(roofing) Individual pieces of sheet metal material used to flash walls, around chimneys, dormers and such projections along the slope of a roof. Individual pieces are overlapped and stepped up the vertical wall.
plural of hum bow
屋根を張り替える前に、業者は壁や煙突の周りの防水のために屋根の傾斜に沿って一枚ずつ重ねて取り付ける金属板に隙間がないかを注意深く点検した。
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