Question: what stuff do you break?

Elspeth Keating answered on 11 Mar 2020:

Steel, aluminium, plastics, reinforced plastics … pretty much any material that you can possibly imagine you would want to make a car, or a plane, or a boat, or a train out of.
On Tuesday – aluminium. Specifically a recycled grade of aluminium, that came out of old Jaguar Land Rover cars.

My samples are about the size of a ruler, on average, but sometimes way smaller and sometimes way bigger!