Vajad kellegagi rääkida?
Küsi julgelt abi LasteAbi
Logi sisse
Sulge

"milker" - 2 õppematerjali

Snake Milker Jobs
22
pptx

Snake Milker Jobs

Snake Milker Jobs Leon Kann Viktor Vikulov Snake Milker Jobs  Snakes. Just the word will send chills down the spine of many people. Over 2,000 types of snake hide out on Earth, 400 of those snakes are venomous, deadly, reptiles. They slither and slide and are generally a creepy creature. Most people would choose to steer clear of snakes all together. Now it may sound crazy, but there are some people that choose to work with snakes – the deadly ones. They are called snake milkers.

Keeled → Inglise keel
2 allalaadimist
Milking machine
24
pptx

Milking machine

Variety • The great variety and number of early milking machines can be categorized into two groups, those that tried to emulate hand milking (mechanical pressure devices), and those that tried to emulate the sucking calf (vacuum devices). • Proponents of both types of milkers turned out an endless variety of contraptions for over 50 years, until the modern pulsator made the suction method the clear winner. First vacuum milker­ patents • Hodges and Brockenden secured an English patent for such a device in 1851. • In America, Anna Baldwin patented such a milker, using a pitcher pump and bucket in her patent illustration. • In 1859, S.W. Lowe, of Philadelphia, patented a cup fitted with a diaphragm with 4 holes for the teats. A hand cranked suction pump drew milk from all four teats at once. • Such devices created a continuous suction on the udder,

Keeled → Inglise keel
1 allalaadimist


Sellel veebilehel kasutatakse küpsiseid. Kasutamist jätkates nõustute küpsiste ja veebilehe üldtingimustega Nõustun