この業種のアプリケーションは、伝統的なキッチンコンロ（各コンロのガス漏れとガス流量を検査）から伝統的な2位置バルブ、さまざまなフィルター、ボイラー用バルブ、および一般的なタンク用バルブまで、極めて広範囲です。
低圧と選択的漏洩限界はこの業種に特有です。
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