A condrapable hydrophobic nonwoven web of continuous fibers includes a hydrophobic nonwoven web of continuous fibers, and a fiber surface-modifying agent on the web to form therewith a condrapable hydrophobic web. The liquid feed and gaseous reactant are injected into the reactor either side of the bed and flow as a counter-current. Responsive to the search query, a general search result is generated by searching the general search object. The arm may have a suction cup attached thereto by a flexible band wrapping around the arm.