Handheld Air Bag Jack / Jacks

With the method of the automobile safety air bag to make nitrogen gas, the handheld jack’s air bag could be filled with nitrogen came from heated and then decomposed sodium azide, meanwhile, having been recovered from the air bag, the nitrogen and sodium can be decomposed and regenerated into sodium nitride, realizing the circulation and utilization of the materials. This simple handheld bag jack can support the heavy weight on the ruins in disaster relief without using large machinery, achieving rapid relief for victims in the shallow layers and saving more lives.