1592953353000 1312632483000 term-46436 1616541067035 1312632539000 1616290205418 adlib fitz-online adlib-term-46436 2bbfcb8b-ed6c-3470-8aa0-6bc376282c83 2 1 scope note Use for caps or hoodlike devices which cover and protect the open top of pipes, stacks, or shafts while permitting the free passage of air. RS reference term-46435 adlib-term-46435 92a26a05-467a-3531-b790-e3829a0796b7 cowl V.PJ.AFU.ALO.AFU.ALO.ARI.BOK 1 code V.PJ.AFU.ALO.AFU.ALO.ARI.BOK 1 cowls reference term-46447 adlib-term-46447 483f7450-551c-35b6-bce0-29e7c8505e11 <ventilation system components> cowls term