@kwabet better pack ur bag n start coming now,I wonder where it more okay to start a career as management trainee if not for Unilever...U still dey ask na wa o..Lol.. Assessment center entails many things so prepare to spend d whole day there,it includes short test or easy,presentation either group/individual or both and interviews... Just prepare urself and give it the best shot of ur abilities... Safe journey and Gudluck.