A rotatable stopcock for a plug-type coupling with an angled piece for connecting fluid lines. The apparatus includes an outer shroud block having a coupling connectable to a casing of the gas turbine and a shroud component having a forward flange and an aft flange. A voting result storage part 3 has voting storage regions for each size of the concentric shapes of the template so as to store the result obtained by voting processing carried out by a voting part 4. Digitized data corresponding to encoded information upon the magnetic stripe on a credit card, ID badge, or similar article is provided at output terminals. Engagement between the electrical contacts is silent or inaudible in response to user input to the moveable input. the feed platform is at least for the greater part free from separating elements for confining animals.