Who am I ?

I work in restaurant, I cook foods, and I'm in charge of the kitchen

(a)  

I work in a hospital, I help sick people, and I'm not a doctor ?

(a)  

I wear a uniform, I catch criminals, then you can call me in an emergency ?

(a)  

Guess me ? I work in a classroom, I help people learn, and I have many students

(a)  

Ok, Guess me! I visit many countries, I work in a cockpit, and I control an airplane

(a)  

Let see, I grow crops, I also keep animals, then sometimes I drive a tractor ?

(a)  

Who am I?

I work in a restaurant, I take your food order, I bring food to your table

(a)  

What am I ?

I drive in a big red truck, I sometimes climb ladders, and I put out fires

(a)  

I wear a special suit, I fly in a rocket, and I sometimes do a space walk, So who am I ?

(a)