Об­ра­зуй­те от слова QUICK од­но­ко­рен­ное слово так, чтобы оно грам­ма­ти­че­ски и лек­си­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

They __________________ set up companies licensing Yablochkov’s patents. From the mid-⁠1880s, Yablochkov started to devote more of his time to the problems of generating electrical energy.