What herbs are perennial in Missouri?

What herbs are perennial in Missouri? Perennial Herbs for Zone 5: Catnip, chives, fennel, garlic, lemon balm, mints, oregano, tarragon, thyme, calamint, English lavender, sage and winter savory (underlined herbs are available at Strawberry Hill) Annual and Biennial Herbs: Herbs that are annuals must be planted each spring. What herbs grow in the Midwest? Easy-to-grow […]

What is a tow motor?

What is a tow motor? Like its name suggests, a Towmotor® was a type of industrial tractor that pulled and pushed carts in, out and around warehouses and factories, which greatly increased productivity. Can forklifts be used to tow? It makes intuitive sense that towing with a forklift is not safe practice. This may appear […]

What is a comb filter used for?

What is a comb filter used for? A bandpass filter used to process audio and video signals by mixing the original with a delayed signal. Comb filters allow selected frequencies to pass while blocking their harmonics and all other frequencies. How do comb filters work? Comb filtering occurs when a sound adds to itself within […]

What animal does Hades represent?

What animal does Hades represent? Symbols of Hades The sacred symbol of Hades was his helmet, which helped him to remain invisible. His sacred animal was Cerberus, his own three-headed dog. Hades means “invisible” in ancient Greek. Does Hades have a sacred animal? Which were the sacred animals of Hades? Hades’ sacred animals were the […]

When did Zim start container ships?

When did Zim start container ships? During the 1960s, ZIM started to turn its focus to cargo ships, and obtained several special-purpose vessels, including refrigerated ships and oil tankers. ZIM transported crude oil from Iran to Israel and oil byproducts from Israel to Europe. In the 1970s, ZIM expanded into the container shipping business. Does […]

Where did the ecotourism movement begin?

Where did the ecotourism movement begin? Claus-Dieter (Nick) Hetzer, an academic and adventurer from Forum International in Berkeley, CA, supposedly coined ecotourism in 1965 and ran the first ecotours in the Yucatán during the early 1970s. Where does ecotourism take place? 1. Costa Rica. The country undoubtedly most associated with ecotourism, Costa Rica has made […]

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