So what is an eager miner and adventurer such as yourself suppose to do? With this mod installed, you can press the assigned key for the mod and while holding an item in your main hand, any nearby inventory to include machines that contain that item will be hilited in a green outline. This great for reorganizing efforts or finding more of the same material for those special recipes you are working on at the time.
Press the key (default F) and all inventories around with the item you hold will be highlighted.
If you play on server, you need the mod on client and server.