Select the correct sequence of steps in metal casting:
A. P.O.P. Piece mould, Wax model, Investment mould, Metal pouring
B. P.O.P. piece mould, Investment mould, Wax model, Metal pouring
C. Metal pouring, P.O.P. piece mould, Wax model, Investment mould
D. Investment mould, Metal pouring, Wax model, P.O.P. piece mould
Answer:A
Select the correct sequence of steps in metal casting:
A. P.O.P. Piece mould, Wax model, Investment mould, Metal pouring B. P.O.P. piece mould, Investment mould, Wax model, Metal pouring C. Metal pouring, P.O.P. piece mould, Wax model, Investment mould D. Investment mould, Metal pouring, Wax model, P.O.P. piece mould