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Mechanical free energy devices => mechanic => Topic started by: mattmro on June 08, 2013, 11:17:31 AM

Title: Hi there,
Post by: mattmro on June 08, 2013, 11:17:31 AM
good morning,
from last night I thought about a problem...
what can I get the more security that means which type of wood or materials I can use for door.