The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

爱德华·伯尼斯出版的公共关系学著作有（）。

美国学者爱德华•伯尼斯以其杰出的研究，成为公共关系学的创始人，他提出了“（）”的根本原则。

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简述艾维•李和爱德华•伯尼斯对公共关系的贡献？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。