31. Lubricating oil was mechanically pumped through cast-in channels in the crankcase to all the crankshaft bearings.32. Between the two plates is pumped lubricating oil . 33. He was responsible for procurement, storage, and distribution of lubricating oils for the American Expeditionary Forces. 34. The refinery's processing of heavy crude, used for making lubricating oils , also halted Sunday, he said. 35. However, they weighed slightly less than the earlier two-valve engines and also used less lubricating oil . 36. This acidic build-up in the lubricating oil causes slow but ultimately damaging wear to bearing surfaces. 37. A supply of lubricating oil must be fed to the crankcase to supply the crankshaft bearings. 38. Amsoil then formulated synthetic lubricating oils for other applications, including specialized vehicles and severe operating conditions. 39. Unloading of " Fort Stikine " began with the lubricating oil , followed by the fish manure. 40. This pumped engine lubricating oil , seawater coolant and also provided a bilge pump for the lifeboat.