Strapping down a load of SCA timber on Henry Smither & Son's ERF tractor and trailer combination, registered HEV751N, in an unknown location. The tractor unit is an LAC340 type fitted with a Cummins diesel engine. It is fleet number HS531. The black polythene covered cargo is timber boarding harvested in northern Sweden by SAC Scandinavia. The driver is standing by the nearside centre of the trailer threading the centre strap through the ratchet connection before tightening it. The rear strap has already been tightened over the load. Transparencies numbers P64849CT to P64893CT were taken on the same occasion.