a train approaches us with its whistle blowing, we will hear the whistle as a higher frequency while the train is approaching, at its 'proper' (lower) frequency when the train is alongside us, and at an even-lower frequency when the train is moving away from us. this is because the train whistle's sound...
washers, glassware see all l through z instruments a through g anemometers balances barometers calipers colorimeters conductivity data loggers electrodes flash point testers force gages see all a through g h through p hydrometers hygrometers leakage detectors magnetic field testers melting point apparatus...
assembly and testing. what's more, it is equipped with ac power frequency high-voltage testing platform, pulling machine, high precision indentation machine, infrared ray wire size testing instrument, resistance testing device, high and low temperature aging experiment box, and other advanced testing apparatus...
the bolz-edel group designs and manufactures stainless steel vessels of the finest quality. we are your go-to... supplier of: industrial building construction | boilerwork | stainless steel and alloy pressure apparatus | containers for cosmetics | approved tanks [+] tank construction | stainless steel...
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