Convection Oven

it can roast, bake, fry, heat, toast, boil, etc…
food cooks quicker and more evenly
minimal use of cooking oil means health and savings; in fact, oil is remove from the meat or fish when cooked in the convection oven
several dishes may be cooked simultaneously
timer can be set (even overnight) so food is ready at a given time
has self-cleaning function (though manual cleaning also has to be done)
settings (temperature, time, mist, fan, etc.) may be saved, so even non-chefs may easily cook
could satisfy up to 90% of cooking needs