Primary Function: Iwotshi yesihlahla Book Text: I-Svper 11 yiwotshi yesihlahla ephefumlelwe kuphando lwe-NASA Apollo 11. Ubuso bewotshi (i-dial) bumele ngendlela enemikhakha emithathu ubume bomhlaba we-Mare Tranquillitatis, indawo apho yayihlala khona i-Apollo, kunye namanqwanqwa e-0.1 mm ayilweyo ukuze avelise ubume bomhlaba weNyanga. Isandla semizuzwana esinamaphiko amane esishenxa ngokugudayo sibonisa indawo yokuhlala. Icrown ithatha ubume beevalves zeoksijini zesigqoko sasesibhakabhakeni se-NASA. Umva wekhesi wenziwe ngeceramic yobugcisa, oku kubhekiselele kwikhaka leceramic ye-Space Shuttle. Ikhesi ilinganiselwa kwi-42 nge-42 nge-12 mm kwaye ayilingqinela amanzi ukuya kwi-10 ATM.