De-soldering wick

Soldering Gun

De-soldering wick

De Solder Pump
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Simple USB battery charger

Simple USB battery charger circuit

                  Simple USB battery charger Introduction By using this circuit we can charge nickel – cadmium battery through USB port available in computer. Here the DC...
INDEXING AND DIVIDING HEADS

INDEXING AND DIVIDING HEADS

PRESSURE in REFRIGERATION

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