Explanation:
The correct order for the shaping of steel processes is (iv) Rolling, (ii) Pressing, (iii) Casting, (i) Forging. Let's understand each process in detail:

Rolling:
Rolling is a process in which the steel is passed through a pair of rotating rolls to reduce its thickness and increase its length. It is used to produce sheets, plates, and other long products. Rolling is an essential process for shaping steel.

Pressing:
Pressing, also known as stamping or forming, is a process in which steel is shaped by applying pressure using hydraulic or mechanical presses. It is used to create complex shapes and forms such as car body panels, utensils, and machinery parts.

Casting:
Casting is a process in which molten steel is poured into a mold and allowed to cool and solidify. It is used to create intricate shapes and structures that cannot be easily achieved through other processes. Casting is commonly used to produce components such as engine blocks, pipes, and fittings.

Forging:
Forging is a process in which steel is shaped by applying compressive forces using hammers or presses. It is used to produce high-strength components such as gears, crankshafts, and connecting rods. Forging improves the mechanical properties of steel by aligning its grain structure and removing any defects.

Correct Order:
Based on the above explanations, the correct order for the shaping of steel processes is (iv) Rolling, (ii) Pressing, (iii) Casting, (i) Forging. This order represents the sequential steps involved in shaping steel, starting with rolling to reduce thickness, followed by pressing to create complex shapes, casting to produce intricate structures, and finally forging to enhance strength and durability.

Therefore, option B, (iv) - (ii) - (iii) - (i), is the correct answer.