Hi,
I have a list of products produced by machines per day. each machine can produce multiple products and a product can be produced by multiple machines.
example:
<colgroup><col><col span="2"></colgroup><tbody>
Date
Machine
Product
4/2/2018 6:30
2
A
4/3/2018 6:30
2
A
4/4/2018 6:30
2
A...