[lemma=operation] □ □ □
[lemma=operation] [□] □ □
[lemma=operation] □+ □ □
The strand structure is usually untwisted for removal of the old core and retwisted after insertion of the new core , in a continuous operation , in which case the total twisting operation consists of the imposition of a temporary or false twist . The Sandomierz operation is of approximately the same size as the proposed project and to ensure the highest safety standard from the very beginning , the General Manager of Pilkington 's operations in Sandomierz is expected to take the position of General Manager of the new facility . The sediment associated with the mining operation consists of weathered quartz feldspar , greenstone , and schist . The former operation consists of an end-to-side anastomosis between the cranial end of the SVC and the undetached right pulmonary artery near the bifurcation .