what are the black bits on astro turf?
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Called styrene butadiene rubber, or “crumb rubber,” the new turf contained tiny black crumbs made from pulverized car tires, poured in between the fake grass blades. The rubber infill gave the field more bounce, cushioned the impact for athletes, and helped prevent serious injuries like concussions.
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They're small, grainy, rough, and usually have pretty well defined edges that interrupt the normal lines of the skin. If you look closely, you'll might see what looks like a black pinpoint in the center of the wart. For the record, this isn't a wart “seed” or “root.” You can't dig it out. It's a blood vessel.
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Severe scratching may also lead to tears at the edges of the ear. The inner side of the ear should be a healthy pink color. A small amount of black discharge may be observed in some cats. A large amount of black wax is often seen in cats with ear mites.
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Black rings form in the toilet bowl due to hard water. Hard water has minerals that accumulate. When the minerals form in the toilet, they may appear brown, gray or black in color. ... If you determine that hard water has caused the stain, you can remove it with common household products.
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Hydrangeas love water, but excessive irrigation or wet foliage injures plants. Insufficient water causes leaves to turn black or brown. ... Too much water at the root zone, combined with a poorly draining site, causes root rot that promotes black spots on leaves.
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Under this umbrella term are numerous species that include Stachybotrys chartarum, or toxic black mold. It grows on building materials such as drywall. When there is water damage, this black-colored fungus is a common sight. A green mold may fall under the name Trichoderma.
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Ivy leaf spot can be caused by a variety of fungus species as well as bacteria. ... Hederae. It first appears as a light green or water-soaked to oily circular spots. As the disease progresses the spots will enlarge and turn dark brown to black.
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If Grubs are the culprit, the dead patch will roll up like a carpet, or you'll be able to pull up the grass and see that it has no roots. Irregularly-shaped dead patches appear in your well-irrigated lawn in late summer or early fall.
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If you look closely, you'll might see what looks like a black pinpoint in the center of the wart. For the record, this isn't a wart “seed” or “root.” You can't dig it out. It's a blood vessel.
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It's actually a phenomenon called "eye black." Natural skin absorbs some light, but reflects the rest. This reflection can cause glare and impair vision. Black stripes are supposed to prevent this by absorbing all of the light. This makes it easier to track the ball in midair.
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Diagnosing warts and verrucas You may notice very tiny black spots in the wart, these are blood capillaries. Verrrucas are usually on the ball of the foot, underneath the big toe or heel.
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If it is on a weight bearing area it may be flattened with a rough crumbly surface. Sometimes, it may have little black dots in the centre. You might have one or a cluster, which vary in size. It can be hard to tell the difference between a verruca and a corn.
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The thatch layer of synthetic grass is made from a polypropylene, polyethylene or nylon material. The thatch layer provides the turf with an added layer of support and blade recovery.
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Turf damage is primarily caused by feeding, in which the voles chew the plants down to the crown (growing point) at ground level. Additional damage is caused by wear from vole 'traffic', and also from the accumulation of vole excrement along the runways.