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 Tripod, Material Aluminum, Height Range 55 In. to 91 In., Base Radius Range 24 In. to 41 In., Color Blue, Finish Powder Coated, For Use With Full Body Harness, Max. Working Load 310 lb., Standards ANSI Z359.1-2007 and OSHA 1926.502, Includes Leg Bracket for 3-Way SRL-R and (2) Device Storage Bags. Confined Space Tripod, Material Aluminum, Height Range 55 In. to 91 In., Base Radius Range 24 In. to 41 In.,...More.