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This qualified electrician must be in either direct telephone or radio communication with the qualified electrician performing the actual work , and when he / she has deenergized and grounded the system , he / she can inform the qualified electrician to make the repairs . They may also entail some difficulties as to the access to health-care services and to education . Regardless of the task , the analysis must take place in real time , or fast enough to keep up with the incoming data stream . The bottom of the open hold contained nothing but a little sand , a few broken pieces of wood , a rusty hook , and some few stalks of straw which the wind must have carried for miles before they found their rest in there .