Limitations of the slump test. The slump test is suitable for slumps of medium to low workability, slump in the range of 5 â 260 mm, the test fails to determine the difference in workability in stiff mixes which have zero slump, or for wet mixes that give a collapse slump. It is limited to concrete formed of aggregates of less than 38 mm (1.5 inch).
Plantar warts are caused by an infection with the human papillomavirus (HPV) in the outer layer of skin on the sole of your feet. There are more than 100 types of HPV, but only a few types are known to cause warts on your feet.lantar warts are caused by an infection with the human papillomavirus (HPV) in the outer layer of skin on the sole of your feet. There are more than 100 types of HPV, but only a few types are known to cause warts on your feet.
Plantar warts, like other warts, are caused by human papillomavirus (HPV). But the type of HPV that causes plantar warts is not dangerous. However, because they are located on the soles of the feet, they may hurt when you stand or walk.lantar warts affect one part of the body: the foot. Plantar warts are rough, raised patches of skin, often with tiny black dots on the surface. They usually occur on the plantar surface -- the soles -- of your feet.