Well cap/casing vent allows gases to vent out: A well vent also allows the venting out of any gases that might accumulate in the well bore above the static head; that can be a concern for wells whose water supply includes absorbed methane or other gases. Below: a closer look at the ol...
Watch out: I am doubtful that the conduit used was proper and approved for electrical wiring. Normally underground electrical wires run outside are run through waterproof PVC conduit to a riser and an outdoor-rated electrical box and cover. The illustration here[Click to enlarge any image]shows...
8 Stacking or multi-folding covers were developed for coastal trades. 9 Large pontoon covers for containerships can carry the weight of high stacks of containers. Drum stowing "Rolltite" hatch covers were developed for ease of handling and to save space. 10 HATCH SIDE AND ENDS HATCH COVER ...
1. Tractable, fire-resistant, thermo-insulated covers and enclosures designed to protect buildings, structures, facilities, architectural infrastructure and mobile objects such as gas tanks, trucks and other objects from encroaching wildfires and to provide a haven and escape means for firefighters combat...