Tray removal has been hailed as a means to reduce food and water waste by encouraging students to only carry what they will eat.

通过鼓励学生们只带走他们要吃的东西，不使用餐盘被视为一种减少食物和水的浪费的好办法。

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Fill an ice tray with water and stick it in the icebox.

把水倒入冰盘，放入冷藏室。

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M: Good, and please get some water, glasses and ash tray ready as well.

M：好的，另外也请把水、杯子和烟灰缸准备好。

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Our HAL was energized as soon as we tensed our arm muscles, so lifting up the tray of four 1.5kg water bottles was a piece of cake consistently throughout the demo -- we even managed it with just our pinky (see video above)!

ENGADGET: Cyberdyne HAL robotic arm hands-on (video) Hands-on

On nongame days the 9, 500-ton turf tray sits outside, soaking up sunlight and water.

FORBES: Lifting a Loser