"They're not subject to the same rigger as tests normally allowed on the market and the manufacturer's specifications may be overstated." "rigor" Also, the er

"They're not subject to the same rigger as tests normally allowed on the market and the manufacturer's specifications may be overstated." "rigor" Also, the error bars on these may be wider than is usual for an approved test, but they are just as likely to be understated as overstated.