Tax question.

Justice • son born 12-9-16👦 missed miscarriage 7-12-17 at 10 weeks👼 blighted ovum 2-5-18👼baby girl born 11-25-18👧
Hey ladies my husband is a diesel/heavy equipment mechanic. Well this year he spent 12,000 on tools, rent at a company house (before I was able to move with him into a house), and a toolbox. Can I claim that full amount on our taxes for work expenses? Thanks in advance!