Injects crack

These users all took other street drugs as well and were more likely to inject daily, share needles, have unprotected sex, and be infected with hepatitis than other intravenous drug users.

The study did not probe why people inject rather than smoke crack, but some users have reported the high after injecting it lasts longer than the 5 to 10 minutes of euphoria they derive from smoking it. And health officials say the reason people turn to crack over powdered cocaine is largely down to cost. By Maggie Mckee Crack cocaine is being injected — not just smoked — by a significant number of US drug users, reveals the first large survey of the practice.

Trending Latest Video Free. This may indicate that the crack either expands or branches off below the surface. This may also indicate that epoxy is running out of the back side of the crack.

If the crack penetrates completely through the concrete element and cannot be sealed, the application may not be suitable for injection repair. This may indicate that the crack is shallower than originally thought, or the epoxy is not penetrating the crack sufficiently before moving to the next port.

Reinject some ports with a lower viscosity epoxy to see if the crack will take more epoxy. The epoxy should be heated uniformly, do not overheat cartridge. This can indicate there is not enough water present to react with the polyurethane and generate foam.

Introduce water into the port and continue to inject. Introduce water into subsequent ports prior to injection. In situations where the crack penetrates completely through the concrete element, and the back-side of the concrete element cannot be sealed e. This most likely indicates that epoxy is running out the unsealed back side of the crack. In this case, the application may require a gel viscosity injection epoxy CI-GV or may not be suitable for injection repair without excavation and sealing of the back side of the crack.

Wait a approximately 10—15 minutes to allow the paste-over to begin to harden. Another option for small leaks is to clean off the injection adhesive and use paraffin or crayon to seal the holes. This may indicate there is not enough water present to react with the polyurethane and generate foam. We are travelling in a circle, without trying to understand why. Ahmed Bilal Mehboob. Has the experience of dealing with the foreign funding case made the ECP any wiser? Shahid Mehmood. Zubeida Mustafa.

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