Search results
Results From The WOW.Com Content Network
The interior of Type I (sand) fulgurites normally is smooth or lined with fine bubbles, while their exteriors are coated with rough sedimentary particles or small rocks. Other types of fulgurites are usually vesicular, and may lack an open central tube; their exteriors can be porous or smooth.
In the absence of iron (and without some harmful chemical degradation reactions also producing expansive products) concrete would probably be one of the most durable materials. However, steel reinforcement bars are necessary to take over the tensile efforts to which concrete is submitted in most engineering structures and stainless steel would ...
Silicosis is a form of occupational lung disease caused by inhalation of crystalline silica dust. It is marked by inflammation and scarring in the form of nodular lesions in the upper lobes of the lungs.
An FDA investigator also observed a “black mold-like substance” at the base of a hose reel and behind a water storage tank at the facility, which was within a foot away from equipment used for ...
Dust-producing surfaces cover one-third of the global land area. These are made up of hyper-arid regions like the Sahara, which covers 0.9 billion hectares, and drylands, which occupy 5.2 billion hectares. [5] Dust in the atmosphere is produced by saltation and abrasive sandblasting of sand-sized grains, and it is transported through the ...
For premium support please call: 800-290-4726 more ways to reach us
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Noon said he has no idea what it is. His best theory is that it's a "clump of something that has fallen off a machine during cooking." "Maybe a lump of seasoning or something, it is quite heavy ...