Similarly, the male sand goby is relentless about guarding his eggs from predators, but even if he has plenty of extra food available, he will still eat about a third of his brood. Research into how he decides which eggs to keep and which to eat reveals that size matters: male gobies tend to eat the largest eggs.
The CSB report found that the permit-required confined space rule set by OSHA does not prohibit entry or work in confined spaces where the concentration of flammable vapor exceeds ten percent of the chemical's lower explosive limit, or LEL.
Confined Space Entry Kit When you need to set up for a vertical entry into a confined space, this kit covers all the bases. The kit includes the primary access line, a belay/retrieval system and the gear for the entrant using our CSR2 Pulley System for a 4:1 lowering and raising system and the SKED-EVAC Tripod for the overhead anchor point.