摘要:
An apparatus and method for cleaning a vessel are disclosed. The vessel may include a coker for the extraction of crude oil, for example. The apparatus may include an elongated flexible conduit insertable through an elongated rigid conduit into the vessel, for conducting pressurized liquid into the vessel to clean the vessel. The apparatus preferably includes a sealing device for sealing a gap between the flexible conduit and the rigid conduit to prevent fluid from travelling through the gap.
摘要:
Various aspects of the present disclosure provide functional exercise training and instructional methods and devices for hamstring strengthening and conditioning. In one exemplary embodiment, a method generally includes lying down in a supine position on a support surface and resiliently suspending a leg from supporting structure. The method also includes raising the pelvic area off the support surface by using one or more of the hamstrings, gluteals, and core muscles of the suspended leg.
摘要:
An apparatus and method for cleaning a vessel are disclosed. The vessel may include a coker for the extraction of crude oil, for example. The apparatus may include an elongated flexible conduit insertable through an elongated rigid conduit into the vessel, for conducting pressurized liquid into the vessel to clean the vessel. The apparatus preferably includes a sealing device for sealing a gap between the flexible conduit and the rigid conduit to prevent fluid from travelling through the gap.