The crates are made from Lime wood strip - range of sizes at
http://www.westbourne-model.co.uk - it has a very close grain which is perfect for the scale.
The oil in the drum is a section cut from a black cd
Small bolts made with the 'Nutter' , large ones are Grandt Line. Metal rods and large nuts painted with MRMetal 'Iron' then polished.
Handles on crates made from .5mm rigging rope (see above url), and .3mm lead wire and Nutter foil.
Markings were sprayed on via Stencilit set.
Stil have to weather the drums