ok the process of inventing is continue
i want to invent a shampoo that doesn,t need water to clean our hair
i want to invent a knife that when i push a button it,s sharpness appear i mean a safe knife
i want to invent an airplane that can reduce its speed rapidly and fast so it doesn,t need to move circular around before landing and reduce the Risk of landing
i want to invent a way to estimate the Interval of the right answer in every science
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does,does does does does does does does doesdo
esdoes does does does does does does does does
kill me miss mehregan
where these mistakes come from ?i have no idea ! and for plane yes its moves around the Airport area before landing to reduce the speed of the plane.a big circular rounding move and 60 or 70 degree rounding on it,s self(yek dore bozorg va dar hamin heyn ta 60 ela 70 darage kaj shodan az jesnse dvaran) it is farsi cheating

by the way it is mechanical engineers particular. you don,t need to figure it out