Stock consumption ?

Hi All please kindly help me with below. There is a company purchasing stock (spare parts of car) to use in repairing cars then how to maintain stock in tally to know actual closing stock. I created all ledger of spare parts with opening balance but now confused that how to record entry of stock we are using so can get exact closing stock. please advise me what is the best procedure to follow to maintain proper stock and accounting. thanks for help