With the increasing importance of thin film leak testing, the old time standby - soap and water - is gone forever. Soap and water has low sensitivity and tends to obscure small leaks by foaming when applied. Many industrial companies and organizations, such as the USAF, ASTM and ASME have banned the use of soap. These companies and organizations use and recommend only synthetic bubble solutions like Leak-Tec.
Leah Clearwater is going to be played by Julia Jones in Eclipse. Her on-screen brother, Seth Clearwater, is going to be played by BooBoo Stewart.
Leah Clark. For the fictional character, see List of American Girl characters. Leah Clark is an American voice actress and ADR script writer/director working for Funimation. She has provided numerous voices for Japanese anime series and video games.