18.A rigid and light mantle joins tightly between the geophone body and its tailcone, combining with the tailcone, to form a device called geophone seat.
19.And it would define more tightly the terms cigarette, cigar, cigarillo, fine-cut tobacco and pipe tobacco in order to discourage the production of cross-over products.
20.It's tightly tired strip-type, slimly looking and procumbent, heavy body without bones and muscles, and very strong fragrance, lightly green, bright color of tea water.