What are excavators made from? The booms and arms of backhoes and excavators, since they need considerable tensile strength, are often made of low-alloy steels that have been heat-treated to get the needed tensile strength—50,000-100,000 psi—and toughness levels. What is the digging part of an excavator called? The three main sections of an excavator are […]
When was auto transmission invented?
When was auto transmission invented? 1921 Who invented first automatic transmission? Richard SpikesHoward Frederick Hobbs What was the first transmission? The 1904 Sturtevant “horseless carriage gearbox” is often considered to be the first true automatic transmission. The first mass-produced automatic transmission is the General Motors Hydramatic three-speed hydraulic automatic (using a fluid coupling instead of […]
Is child abduction a criminal Offence?
Is child abduction a criminal Offence? Although the words “child abduction” are used in this guide as a general term for the unauthorised removal of a child as described above, it is also a criminal offence in some circumstances. What are the consequences of child abduction? The returned child may suffer loyalty conflicts, emotional detachment, […]
How long can a Galapagos hawk live?
How long can a Galapagos hawk live? Unknown. It’s still not known for certain exactly how long Galapagos hawks live. More field research needs to be done to determine this fact, but just for a comparison, the red-tailed hawk of North America lives up to 25 years. Why is the Galapagos hawk endangered? Galapagos Hawk […]
How much does James Spader weigh?
How much does James Spader weigh? James Spader Net Worth 2021: Age, Height, Weight, Wife, Kids, Bio-Wiki Celebrated Name: James Spader Birth Place: Boston, Massachusetts, United States Nationality: American Height: 1.78 m Weight: 76 kg How much is James Spader worth? James Spader Net Worth Net Worth: $20 Million Date of Birth: Feb 7, 1960 […]
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Which countries border Austria?
Which countries border Austria? Austria is a landlocked country of approximately 8.7 million inhabitants in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the west. In which neighboring country is Romania widely […]
What are economic importance of Pteridophytes?
What are economic importance of Pteridophytes? Pteridophytes commonly known as Vascular Cryptogams, are the seedless vascular plants that evolved after bryophytes. Besides being a lower plant, pteridophytes are economically very important. Dry fronds of many ferns are used as a cattle feed. How are Pteridophytes useful to mankind? In general, ferns are of minor economic […]