Question: for example their method of the hypercircle appears in a joint paper in that journal in 1947.
Answer: --> For example their method of the hypercircle appears in a joint paper in that journal in 1947.

Question: the 3-blade gori folding propeller marks a technological and functional leap forward in the development of propellers for sailboats. it is now possible for sailboats and motorsailers to gain the folding propeller's speed advantages under sail, combined with the fixed propeller's thrust capability when motoring.
Answer: --> The 3-blade Gori folding propeller marks a technological and functional leap forward in the development of propellers for sailboats. It is now possible for sailboats and motorsailers to gain the folding propeller's speed advantages under sail, combined with the fixed propeller's thrust capability when motoring.

Question: + 75 school's administrative fee
Answer:
--> + 75 School's administrative fee