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Using both ear muffs (whether passive or active) and earplugs simultaneously results in maximum protection, but the efficacy of such combined protection relative to preventing permanent ear damage is inconclusive, with evidence indicating that a combined noise reduction ratio (NRR) of only 36 dB (C-weighted) is the maximum possible using ear ...
In 2008, 3M created the Renewable Energy Division within 3M's Industrial and Transportation Business to focus on Energy Generation and Energy Management. [ 87 ] [ 88 ] In late 2010, the state of Minnesota sued 3M for $5 billion in punitive damages, claiming they released PFCs —classified a toxic chemical by the EPA—into local waterways. [ 89 ]
PT Tokopedia is an Indonesian e-commerce company. [2] Tokopedia is a subsidiary of a new holding company called GoTo, following a merger with Gojek on 17 May 2021. [3] [4] It is one of the most visited e-commerce platforms in Indonesia. [5] Tokopedia is one of Indonesia's unicorn companies, alongside Bukalapak, Gojek, OVO, and Traveloka.
Polypedates otilophus (also known as the file-eared tree frog, [2] [3] Borneo eared frog, or bony-headed flying frog [4]) is a species of frog in the family Rhacophoridae.It is endemic to Borneo where it is widespread and found in Brunei, Indonesia, and Malaysia, [2] typically in the lowlands but sometimes as high as 1,100 m (3,600 ft) above sea level. [3]