inlet
n
1 strip of water extending into the land from the sea or a lake, or between islands 湾, 水湾(江河湖海伸入陆地或岛屿间的水域).
2 opening to allow esp liquid to enter 入口, 进口(尤指供液体进入 的): the fuel inlet 燃料入口
[attrib 作定语]
an inlet pipe输入管道.
3 something put in, eg a piece of material inserted into a garment to make it larger 衬入物, 嵌入物(如填入衣服中的).
I suggest that we ask users of this machine what they think about it. We can photograph them using it too. Then we can put their comments at the top of the advertisement in big print. We can bring in some humour too. People enjoy reading humorous ads.