Alternatively in the workplace:
One to raise the job request, one to process the order, one to order the bulb, two to approve the order, one to receive the order, one to relocate the bulb to the required place, one to raise a work request, one to issue the permit to work, one to accept the permit, one to inspect the ladder, one to install, one to complete the invoice, one to allocate the invoice, two to approve the invoice, one to make the payment, not forgetting three to approve the supplier of the bulb.