<prompt> Bhala okuqhubekayo kwalesi sigaba - I-Ovruch slate spindle whorl - i-spindle whorl, eqoshwe etsheni le-slate elibomvu nelibomvu i-pyrophyllite slate, elalimbiwa ensimini ye-Ukraine yanamuhla, eduze kwedolobha lase-Ovruch ngekhulu le-10 kuya kwele-13. Abaphathi be-Ovruch baphinda ngokuphindaphindiwe uhlobo oluphumelela kakhulu lwe-clay spindle whorl - biconical isisindo njengokungathi sakhiwa ama-cones amabili axhunyiwe axhunyiwe ngezisekelo ezibanzi I-spindle whorl yayinesisindo esilinganiselwa cishe ku-16 g, ukuphakama kwakuvela ku-4 kuya ku-12 mm, ububanzi bangaphandle buvela ku-10 kuya ku-25 mm, ububanzi bomgodi we-spindle babuyi-6 × 10 mm. Uma isikulufa somphini sibonakala sincane kakhulu, sasigoqelwa ngentambo ukuze singasheleli lapho siphenduphenduka. I - Slate - itshe elithambile; ezibonelweni ezatholakala izazi zemivubukulo, kusenezibazi zemicu. Ukukhiqizwa kwama-slate spindles e-Ovruch kwakwenzelwe ukuthengiswa okubanzi. Abathengisi abathenga umthwalo wama-spindle whorls benza indlela eningi nabo, babadayisa emazweni ahlukahlukene. Ama-ovruch spindle whorls atholakala abavubukuli hhayi kuphela ezindaweni zaseKievan Rus, kodwa nakwezinye izifunda. Ukukhiqizwa kwama-spindle whorls kwaklanyelwe ukuthengiswa okubanzi. Ngokuka - A. V. Artsikhovsky, zinjalo eKiev naseVladimir, eNovgorod naseRyazan, ngisho naseCherson, eCrimea naseBulgaria eliseVolga. Ama-ovruch spindle whorls ayebaluleke kakhulu kangangokuthi abanikazi bawo babeqopha amathegi abo, futhi ngemva kokusakazeka kokubhala - baqopha amagama abo. Ngekhulu le-13, ama-spindle amatshe aphinde aba ubumba: abahlaseli abangamaTatar namaMongol  <response>: izimboni zase-Ovruch ezibhujisiwe. 