Infrastructure means the basic structure of an organization or system. A company's infrastructure would include all the fixed assets, i.e., the building, equipment, machinery and tools required to manufacture their product. Although people are not fixed assets they would be included in the company's infrastructure too.
Rarely a serious problem. Look-alikes: Jumping oak gall, tubakia leaf spot, oak leaf blister, other fungal leaf spots. Jumping oak gall Brown leaves appear on trees in the white oak group in late spring. Severe infections may cause the leaves to turn black, curl up and fall. On the underside are brown galls with the larva of a small wasp inside.
Gardening: What's happening when your leaves are falling -- in summer. Provided by Larry Figart Oak leaf blister is a very common disease in South, affecting primarily red oak species. Many folks have noticed that their trees have started to lose their leaves already. Is fall coming early? The answer is no; your trees are just victims of bad timing. It just so happens that at the same time the leaves were budding, they were inundated with cool, wet spring weather.