A key reason people become trapped in grain is because the stored product has gone out-of-condition. Put the other way, if the grain is in good condition, the less likely you are to have to enter the bin in the first place.

Farm Safety: Canola is particularly susceptible to spoilage in storage
Grain temperature should be checked every two weeks during the spring and summer
Company adds new model to handle up to 12-foot diameter bags
Using fans and taking care during canola harvest can help prevent hot canola and spoilage issues
It all depends on your objectives, expert says