Ducts and pipes of metal for central heating installations; Elbows of metal for pipes; Junctions of metal for pipes including those from alloy steel and titanium; Metal flanges; Metal pipe collars; Metal water pipes; Pipes of metal; Rivets, cramps and nails of metal; Steel pipes; Ventilating ducts of metal; Water-pipe valves of metal

ELECTRONIC COMMUNICATIONS ENHANCERS WHICH IMPROVE SIGNAL TO NOISE RATIO

telephone communication permitting access to voicemail

computer software designed to enable two or more computers to communicate, exchanging data via data or public networks