###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q18755706: mechanical calculator (Q18755706) : mechanical machine for arithmetic operations for absolute calculators : ( delete | history | links | entity usage | logs ) Empty item.
- Kareyac ( talk ) 15:27, 15 February 2015 (UTC)