yes, why not ? you can get green card even for restaurant dish washers, factory workers, farmers n so on . for eb3 unskilled lets say dishwasher job only 2 criteria has to be met 1. prevailing wage for the occupation in the specific geographic area has to be met . 18/hr in our area 2. no American workforce is willing to take that job. because no almost no American is willing ti take such job, either they have to hire illegal allies or go through perm certification route . The catch is that it takes almost 4 5 years to get a green card under eb3 unskilled , you have to be ready to work such low graded job for 5 years . so if you are very young and energetic , you can go through route and start your second innings of your life after getting green card