The tensile-strength test is inherently futile; in the process of gathering material, the sample is wasted. Although this is not a problem when a large supply of the sample material exists, nondestructive procedures are safer for materials that are dear or arduous to make up or that have been made into finished or semifinished samples.
Liquids
One [...]
Many small businesses spend far too much time on debt collection rather than their core business. Over the last 2-3 months I’ve noticed an increasing lag in payment cycles.
If you are in any sort of operation that uses small businesses as service providers or product suppliers it’s well worth your while to pay your bills [...]