spallers

Noun

spaller (plural spallers)

1. A tool used to remove concrete.
   • Concrete floors and walls can be mechanically decontaminated by removing the contaminated surface layer (1 to 2 inches) using surface grinders, spallers, or pneumatic drills.1982, Shippingport Atomic Power Station, Decommissioning
2. A person who breaks down stone into smaller pieces.
   • In 1919, the weekly margin above the living wage for the "all others" item was 6s., though the spallers then received 9s. a week margin and the millhands only 3s.1942, South Australian Industrial Reports, volume 16, page 369