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Ukuqonda Indima Ye-Annaar Cutter Shanks ku-Precision Drilling Introduction to Annular Cutter Shanks emhlabeni. yokubhola ngokunemba, ** Ukusikwa kwe-annular ** kudlala indima ebalulekile. Lawa mathuluzi akhethekile aklanyelwe ukwakha izimbobo ezihlanzekile nezinembile ezintweni ezahlukahlukene, okwenza kubaluleke ekusebenzeni okuhlukahlukene kwezimboni. Ukuqonda umklamo wawo, ukusebenza, nesikhangiso