Safety Gear Corp

Which sentence is right to you? change the wording if it’s wrong pls?
1. Regardless of what my employee warned of the danger, the technician from the Leed Hadn corp. was still working at height without proper protection, not wear the correct safety gears whatsover.
2. Regardless of what my employee was warning of the danger, the technician from the Leed Hadn corp. was still working at height without proper protection, was not wear the correct safety gears whatsover.
3. Regardless of what my employee was warning of the danger, the technician from the Leed Hadn corp. still worked at height without proper protection, did not wear the correct safety gears whatsover.
Regardless of my employee’s danger warnings, the technician from the Leed Hadn corp continued to work at height without the proper protection, he was wearing none of the correct safety gear whatsoever.
NTSB Animation Hard Landing, Gear Collapse Federal Express Flight 647 Boeing MD-10-10F
