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LM-80 & TM-21 LM-80(testing) + TM-21(projection) = Something
LM-80 & TM-21 LM-80(testing) + TM-21(projection) = Something useful LM-80 is just an LED testing standard IES TM-21-2011 provides the mathematical f...

Humidity Chamber is made up of stainless steel sheet , there is a
Humidity Chamber is made up of stainless steel sheet , there is a water tank at the bottom of it and an immersed heater is fitted in the close vicinit...