mechanical raking造句

• The harvesting of hazelnuts is done either by hand or by manual or mechanical raking of fallen nuts.
• In response, Evans developed the " hopper boy ", a device which gathered meal from a bucket elevator and spread it evenly over the drying floor a mechanical rake would revolve around the floorspace.
• But authorities were sticking to the ban that prompted the battle-- fishermen wouldn't be allowed to use a water-cannon-like device that shoots wwater at the sea bottom, churning up clams to be snapped up by a kind of mechanical rake.
• Heated from below by forced air to a temperature of 190 degrees Fahrenheit, kept in constant motion by rotary mechanical rakes so they do not stick or burn, the plump, buttercup-yellow kernels rest in a thin layer at one end of the slab for about 45 minutes, then in a thicker layer at the other for an additional 45 minutes.