background electricity energy engineer engineering equipment excavator foundation gear hard hardness infrastructure iron landscape maintenance master metal panoramic power texture processing progress rubble strong structure tough winch work worker working black chock current danger dangerous electric electrical fence high installation net sign station sundtech volt voltage warning yellow coast estuary fun leisure man Mawddach sandbanks ski skier skiing speed splash sport spray surge tow wales water welsh active bicycle bright safety jacket cheerful cycle cyclist energetic movement pedal power pedalling safety safety helmet sporty travel visibility carpet chipped decaying double dull grey off on painted plastic plug skirting socket switch switches white wood art castle chess face figure figurine handmade importance isolated king leader piece porcelain pottery queen regal royal sveres christmas magi men three wise architecture direction England english Great Britain guider historical mill rural sails South Downs Sussex traditional wind windmill wooden