30年代人们也有不少发明，如喷气发动机、直升机、泡茶袋、胶带、圆珠笔和第一台复印机。

The 30′s were not less invention-intensive bringing us the jet engine, helicopter, tea bags, sticky tape, ballpoint pen and the first photocopier.

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请注意：您最好用打字机填写以免字迹不清影响报关，如果手写请用圆珠笔。

Please notes it is advisable to type your airway-bill avoid delays. If you complete by hand, please remember to use a ball-point pen.

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