One of the staff died 6 months after he was involved in accident at work. Report to DOSH?

One of the staff is diagnosed with occupational cancer. Report to DOSH?

One of the staff is poisoned with Mercury at work. Report to DOSH?

My workshop equipment caught fire last night due to short circuit. Do I need to report to DOSH?

Which form do I use to report occupational injury?

Which form do I use to maintain a register of all accidents?

My friend got injured at work but need only 1 day rest. The next he can work normally. Do I need to report to DOSH?

My friend got injured at work and hospitalized for 2 weeks. Do I need to report to DOSH?

My supervisor clean up accident site immediately before investigation takes place. Right or wrong?

How long do we need to keep the accident register?