Learn how to install the battery and test smoke detectors and other DIY home fire safety tips in this free home improvement and maintenance video. Teacherjon Expert: Bio: Jon has a Bachelor of Science in Education and Human Sciences degree, with the approval in Industrial Technology Education from the University of Nebraska at Lincoln. Filmmaker: Jon Olson
http://www.youtube.com/watch?v=14z8c3QqV0E&hl=en
สมัครสมาชิก:
ส่งความคิดเห็น (Atom)
ไม่มีความคิดเห็น:
แสดงความคิดเห็น