Engineering - June 2006

the airconditioner will be in use for around 10 hours daily

2006-06-05 14:42:02 · 4 answers · asked by David John de los Reyes, SJ 1

Silver worn off on inside from scrubbing (outside OK). Metal exposed & unhealthy. Is tinning inside practical? Other metallurgical solutions? (Silver plating seems very costly.)

2006-06-05 14:22:16 · 4 answers · asked by ilovela 5

Surely a crane needs something to lift its components into place so how do they build those permanent building site cranes? Can they lift them selves up?

2006-06-05 08:08:22 · 9 answers · asked by captaincaveman_2020 1