Poultry means birds such as chickens, turkeys, and ducks raised for their meat or eggs.

Container an object used for holding, carrying or storing something, such as box or a bottle.

Incubator is a device used to keep birds' eggs at the correct temperature to allow young birds to develop until they hatch.

Humidity means the measure or amount of water vapor in the atmosphere.

Ventilated means if an enclosed space is ventilated, air moves or flows in and out of it, usually through a vent or any opening.

Place means to put something in a particular place or position.

Turn over means to change position of something to a different side.

Shell means the hard outer covering of eggs, nuts, and some animals.