fragment of an aircraft engine with a central pulley and cooling radiators

aircraft anchor base binding bolts braces bracing clamping collar combination combine combo concept connect connecting connection cooling coupling design diameter durability engine engineering fastening fixed flange flanges flat flexible hard industrial integration joint jointly linking mechanical mechanism metaphor mount mounting neatly nuts overreach powerful precision propeller pull pulley reliability reliably round safe safety shaft socket stable strength strong sturdy suspension symbol team technology tensioning threaded together unification unite