英国一家有限公司,最近设计制作了一种既有利于安全作业,又能提高工作效率的梯子。这种梯子有一个工具和材料的放置架,放置架可以容易而稳定地固定在铝或本制的梯子旁边。放置作业絮的面积为10×8.5英寸,可容纳最多为6升的油漆以及工具或窗户的清洁材料。这样,使用者的两只手能自由活动。因为它能很容易 A British company, Ltd., recently designed and manufactured a ladder that is both conducive to safe operations and can increase work efficiency. This ladder has a rack of tools and materials that can be easily and stably fixed next to aluminum or a home made ladder. The area on which the batt is placed is 10 x 8.5 inches and can hold up to 6 liters of paint and cleaning materials for tools or windows. In this way, the user’s two hands can move freely. Because it can be very easy