Engineering Flowchart - Duct tape or WD-40 
 Does it move? 
 Yes ... Should it? ... No -  Use duct tape. 
 No ... Should it? ... Yes -  Use WD-40 
 Engineering Flowchart - Duct tape or WD-40 
 Does it move? 
 Yes ... Should it? ... No -  Use duct tape. 
 No ... Should it? ... Yes -  Use WD-40 
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