Load cells can be used in a very wide range of different applications. One of the more interesting applications we have seen is a customer who needed to measure the forces that winches in a theatre were being subjected to.
Constructing new roads requires the use of a lot of water. If a new road is passing through an environmentally sensitive area, care needs to be taken to ensure that not too much water is taken from the local area.
It probably goes without saying that there are very few linear position transducers that can withstand being submerged in 20 metres of water. And if you did come across such a device it would be very expensive.