- athermometercalibratedindegreesFahrenheit.Thisimagehasnotbeenvalidatedorcalibrated.Whatisneeded,therefore,isacalibratedboldness.Powerpesticidedusterscanbecalibratedandusedtoapplypertilizer.DIPSTICK,acalibratedrodorstickformeasuringaquantityoffluidina...
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