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Electronic Scale Is Better Or BalanceBefore electronic scales were invented, our grandparents used mechanical scales and balances. A scale is an instrument that works by moving a pointer with a spring (some kitchen scales or personal scales that work this way are still available), and a balance is an instrument with two standard weight pans (you may have seen them in museums or old drugstores some). These days, the two words...0 Comments 0 Shares 2K Views 0 Reviews