public void deleteServices(int serviceToRemove){
    	Iterator<Service> i = services.iterator();
    	
    	while(i.hasNext()) {
    		Service nextService = i.next();
    		
    		switch(serviceToRemove) {
	    		case ENGINE_OIL:
	    			if(nextService instanceof EngineOil) {
	    	            i.remove();
	    				continue;
	        		}
	    			else break;
	    		case RADIATOR_FLUSH:
	    			if(nextService instanceof RadiatorFlush) {
	    	            i.remove();
	    				continue;
	        		}
	    			else break;
	    		case TIRE_SERVICE:
	    			if(nextService instanceof TireService) {
	    	            i.remove();
	    				continue;
	        		}
	    			else break;
	    		case BRAKE_SERVICE:
	    			if(nextService instanceof BrakeService) {
	    	            i.remove();
	    				continue;
	        		}
	    			else break;
	    		default: break;
    		}
    	}
    }