The machines of industry and the laborsaving gadgets of the home .
工业机器和节省家庭劳动的小发明的新思路。
Chengdu qingyang district service center home economics laborsaving .
成都市青羊区省力家政服务中心。
The most popular laborsaving device today is still a husband with money .
今日最省劳力的办法还是找个有钱的丈夫。
Laborsaving devices like washing machines .
例如洗衣机等节省劳力的机器。
The agriculture revolution in the nineteenth century , involve two things : the invention of laborsaving machinery and the development of scientific agriculture .
