A black compost bin with a round removable lid on top and an orange circular opening on the front

GT1 System

GT2 System

Two black septic tanks with round lids, one with an orange inlet pipe, used for wastewater storage.
Black pond or fish tank filter with orange inlet port and circular top surface.
Black plastic electronic device with a round lid, attached to a wooden surface, with an oval opening on the side
An industrial air compressor blower with two large black cylindrical outlets connected by a short pipe.

With extension

Black plastic dust and debris container with a circular lid on top, used for vacuum cleaner or similar appliance.