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machines with open cutterheads with the diameter range mm – mm control container for avn machines microtunnelling is a state-of-the-art trenchless technique of building underground infrastructure. it is a process of drilling tunnels with the use of boring machine which is placed in the previously prepared...
how to properly acclimate your new fish, corals & inverts frequently asked question holiday shipping deadlines how to winterize your pond prevent algae in your pond its all about the fish choosing your first aquarium fish how much should i feed my aquarium fish?...
exporter in asia our export procedure from anywhere in the world to you, ready to be sold out of the box sunbeam aquarium is a singapore based wholesale exporter of ornamental freshwater fish, crustaceans, molluscs, soft corals, marine fish and aquatic plants. for the past years since our founding in...
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well below the maximum sustainable yield for the survival of their species. the maximum sustainable yield is the number of organisms that can be fished yet still sustain a healthy population level to produce future generations. there is a careful balance that must be obtained to allow for people to fish...