However , this ever increasing workload means that members need to be continually engaging in Subcommittee-related activities and that the Subcommittee secretariat is working under unreasonable yet constantly rising levels of pressure . While fully appreciative of the work of the Office of the United Nations High Commissioner for Human Rights ( OHCHR ) to support the work of the Subcommittee to the maximum of available resources , the Subcommittee is increasingly concerned that it is unable to make the most of the opportunities for torture prevention which the Optional Protocol creates as a result of the practical constraints under which it works .