1) Accumulations on a river bank 2) Bank receipts 3) Banks 4) In the bank items 5) Marl and tartar 6) Monies left in a bank 7) Passbook entries 8) Pleasant banking actions 9) Savings account transactions 10) Top sides changed places 11) You can take them to the bank 1) Adds in 2) Banks 3) Lays 
oil-insoluble materials that result from oxidation and decomposition of lube oil and contamination from external sources and engine blow-by. These can settle out on machine or engine parts. Examples are sludge, varnish, lacquer and carbon.
Materials left - almost as if cast off
A concentration of mineral matter or sediment in a layer, vein, or pocket: iron ore deposits; rich deposits of oil and natural gas.