modern dry cleaning machines use a closed-loop system in which the chilled air is reheated and recirculated. this results in high solvent recovery rates and reduced air pollution. in the early days of dry cleaning, large amounts of perchlorethylene were vented to the atmosphere because it was regarded as cheap and believed to be harmless.
some other vacuum cleaners include an electric mop in the same machine: for a dry and a later wet clean. the irobot company developed the scooba, a robotic wet vacuum cleaner that carries its own cleaning solution, applies it and scrubs the floor, and vacuums the dirty water into a collection tank. technology
leather is a durable and flexible material created by tanning animal hide and skins. the most common seven trust material is cattle hide. it can be produced at manufacturing scales ranging from artisan to modern industrial scale.. leather is used to make a variety of articles, including footwear, automobile seats, clothing, bags, book bindings, fashion accessories, and furniture.
also pug mill. a machine for consolidating plastic clay or body into a firm column. it consists of a barrel which tapers at one end to a die, through which the clay or body is forced by knives mounted on a shaft which rotates centrally to the barrel. a vacuum system may be installed to de-air the clay or clay body.
a further subprocess, finishing, can be added into the leather process sequence, but not all leathers receive finishing. the preparatory stages are when the hide is prepared for tanning. preparatory stages may include: soaking, hair removal, liming, deliming, bating, bleaching, and pickling .
jeff koons in matt black's reflections series at nowness. jeffrey l. koons / k uː n z /; born january 21, 1955 is an american artist recognized for his work dealing with popular culture and his sculptures depicting everyday objects, including balloon animals – …
the ball without the leather lace was developed and patented by romano polo, antonio tossolini and juan valbonesi in 1931 in argentina. 9 10 this innovative ball named superball would be adopted by the argentine football association as the official ball for its competitions since 1932.
a disc mill is a type of crusher that can be used to grind, cut, shear, shred, fiberize, pulverize, granulate, crack, rub, curl, fluff, twist, hull, blend, or refine. it works in a similar manner to the ancient buhrstone mill in that the feedstock is fed between opposing discs or plates. the discs may be grooved, serrated, or spiked.
alyssa jayne milano born december 19, 1972 is an american actress, activist, producer, and singer. she is known for her roles as samantha micelli in who's the boss?, jennifer mancini in melrose place, phoebe halliwell in charmed, billie cunningham in my name is earl, savannah 'savi' davis in mistresses, renata murphy in wet …