A "Clamshell" Is

Multiple Choice

A "clamshell" is:

A) a steam jacketed kettle,which is floor mounted,can be tilted,and includes a rotating agitation attachment.
B) a grill with hinged cooking top that allows grilling of both sides of a product simultaneously.
C) a fryer with an airtight lid which allows for frying under pressure.
D) an oven that incorporates both steam and heat to cook food.