$\sqrt[\phantom{2}]{}$

$\backslash$table$[[2,$The upper half of a sand$],[$A$.$ pattern.,$]]$

B$.$ flask.

C$.$ drag.

D$.$ cope.

$4$ Select the best option explain the order of steps in sand casting.

A$.$ Melting, Solidification, Pouring, Removal of mold, Cleaning

B$.$ Pouring, Removal of mold, Melting, Solidification, Cleaning

C$.$ Melting, Pouring, Solidification, Removal of mold, Cleaning

D$.$ Solidification, Melting, Pouring, Removal of mold, Cleaning

$5$ Polymer production by SABIC is considered a secondary industry.

T$.$ True

F$.$ False