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In this the material used is Aluminium, Copper , Brass or Iron. Each block is drilled with two holes, a large central hole 12.5mm diameter for a special immersion heater and a smaller hole of...
In this the material used is Aluminium, Copper , Brass or Iron. Each block is drilled with two holes, a large central hole 12.5mm diameter for a special immersion heater and a smaller hole of...