“…Other interesting but independent works are (where the efforts of Spanish and French researchers are notable) [33], [11], [42], [43], [44], [45], [46], [47], [48], [49], [50]. The second approach is by using multirotor teams manipulating cables or cable-pulley connected effectors Figure 2., the schools of researching are mainly Swiss and American [19], [51], [52], [21], [53], [54], [55], [56], [57], [58], [59]. Also, noteworthy isolated groups [60], [61], [62].…”