Remove the spaces from the following sentence: So I had to find an old book on gas welding - those times when Rust proof was already well under argon was not yet :), stock trimming and patience, and "fill the hand" on stainless steel.
SoIhadtofindanoldbookongaswelding-thosetimeswhenRustproofwasalreadywellunderargonwasnotyet:),stocktrimmingandpatience,and"fillthehand"onstainlesssteel.