BrainSnippersSep 16, 20201 minA boiler is made of a copper plate 2.4 mm thick with an inside coating of a 0.2 mm thick layer ofA boiler is made of a copper plate 2.4 mm thick with an inside coating of a 0.2 mm thick layer of tin the surface area exposed to gases at 7
BrainSnippersSep 16, 20201 minThe combination of gates shown below producesThe combination of gates shown below produces AND GATE XOR GATE NOR GATE NAND GATE brainsnippers