great manual
3.With the advance of modern science and technology and with progress in the four modernizations, a great deal of heavy manual work will gradually be taken over by machines. Among workers directly engaged in production, manual labour will steadily decrease while mental labour will constantly increase. Moreover, there will be a growing demand for researchers and for scientists and technicians. 
6.The Cleaning Machine of Nickel Anode Plate is an automatic machine device that is applied especially in cleaning the mud on the Nickel Anode Plate. In the process of electrolyze nickel, a great deal of anode mud adhere the nickel anode plate, which severe influence production efficiency of the electrolyzing nickel, but manual cleaning efficiency is so low that had fall back on the automatic machine device.
