Was it ethical for Engineer Nick to fail to give credit to Engineer Steve for his part in the design?

Was it ethical for Engineer Stan to continue his efforts to secure change in the policy of his employer and to request an ethical review?

Was it ethical for Engineer Mike to include the this clause in an employment agreement?

Was it ethical for Engineer Henry to perform the feasibility study despite the fact that his land may be affected thereby?

Was it ethical for Engineer Ted to accept the position of county surveyor?

Was it ethical for Engineer Greg to be retained as an expert witness for the contractor under these circumstances?