1) шов
2) фальц, фальцевое соединение
- back seam
- button punch lock standing seam
- corner seam
- double-lock seam
- double-lock standing seam
- double longitudinal seam
- double standing seam
- face seam
- flat seam
- grooved seam
- inside groove seam
- lock seam
- longitudinal seam
- silt seam
- snap lock seam
- standing seam
- weld seam
- welted seam