IMAGE_2

COMMENTS

  1. In 1918 the Belgian engineer Emil Bicheroux improved the plate glass manufacturing by pouring molten glass between two rollers, which resulted in more even thickness and fewer undulations, and reduced the need for grinding and sharpening.

  2. In addition to corroding sooner within the pump room, starting blocks are normally arrange and put back in storage each swim meet, rising the chance for someone to accidentally bump the block into the pool gear inflicting damage, reminiscent of a broken strain gauge or move meter.

コメントを残す

メールアドレスが公開されることはありません。 * が付いている欄は必須項目です