and it is a scheme covered area. There is no dispute that it is a scheme covered area. The learned counsel for the 2nd respondent, however, submits that the members of the 2nd respondent are registered pool workers. Under the Head Load Workers Act, head load workers may be employees of a particular employer or they may be pool workers. In the case of pool workers, employer would be Head Load Workers Board. From time to time, on the basis of requisition by employers in the region, workers are alloted by the Board to those employers. Payments are expected to be made through the Board. The scheme of registration and the Rule also provides for the distinction between employees covered under a particular employer and employees who are working as pool workers. As long as the respondent do not have a case that they are employees of the petitioner, we do not see how we can appreciate the case of the respondent that there is denial of employment. It is settled law that the employer is free to make use of mechanical devices to do loading and unloading work. In a case where the employer has existing workers to do loading and unloading work, it is impermissible for him to displace the