for bed sábana
· * he went as white as a sheet - "se puso blanco como el papel "
of paper hoja
of metal chapa
plancha
of very thin metal lámina
of polythene: technically lámina
: piece trozo
· he broke a huge sheet of glass - "rompió un cristal un vidrio enorme "
· the road was covered in a sheet of ice - "una capa de hielo cubría la carretera "