Ever wonder how the Egyptians built the pyramids? A lot can be learned from the simple machines of ancient times. No stone is too large for a few determined workers and an iron pipe or two! The weather finally warmed up enough for us to finish the PoolHide® installation in the newly constructed regeneration zone in Princeton, NJ. We’re now moving forward with construction of the boulder wall which will separate the marginal aquatic plant zones from the deep water zones. The boulders are set on top of several layers of geotextile to protect the PoolHide® membrane.
Simple Machines
