Fujitsu's Stylistic Q509 Windows 10 tablet has rugged features and MIL-STD certification, but is also relatively portable. Fujitsu identifies a range of vertical sectors that it's appropriate for, including transportation, logistics, manufacturing, healthcare, education and retail. A separate keyboard costing £160 (ex. VAT) adds to this device's flexibility.
Fujitsu Tablet Stylistic Q509 review at ZDNet