shovel

 Russian >>>Finnish WWI

http://sharky-fourbees.blogspot.ca/2015/10/imperial-russian-finish-re-issue-trench.html 

German WWI

German

British/American
https://emmahughes16.wordpress.com/year-1/663d-modelling/task-2/research/

 British

http://www.bbc.com/news/uk-scotland-glasgow-west-33426385 

 BritishWWI
http://www.iwm.org.uk/learning/resources/living-in-the-trenches

 British 1944-45
https://hatchfive.wordpress.com/2015/01/09/general-service-shovel/