Joanna Cosgrove, a freelance writer based in Media, Pa., has been writing about various aspects of packaging, product design and product manufacturing since 1996.

• 乔安娜科斯格罗夫，自由作家在媒体，宾夕法尼亚州，一直写各方面的包装，产品设计和产品制造自1996年以来。