Generate a more complex version of this sentence Recently however, there has been an ongoing strike at Renold since September 2009, which supplies the gearboxes for Alstom's propulsion units. Nanging, ana wis mogok aktif ing Renold wiwit September 2009, kang Penyetor gearboxes kanggo Unit propulsi Alstom kang.
Mesthi wae, versi sing luwih rumit saka ukara kasebut yaiku "Bubar iki, ana mogok sing lagi ditindakake ing Renold wiwit September 2009, sing nyedhiyakake kothak gear kanggo unit propulsi Alstom, mula pangiriman bakal luwih alon nganti mogok rampung. "