More than 10,000 employees at German engineering and technology firm Bosch protested outside the company’s headquarters on Wednesday against planned job cuts. Another 15,000 workers joined the protests at other Bosch plants and offices around Germany, according to the Bosch works council and the industrial union IG Metall, which represents much of Bosch’s German workforce. Protesting Bosch employees all had a message for the company, said Frank Sell, head of the works council for the supply division. “The message is: Stop, we can’t go on like this. We will not be treated like this. Stop these …