Causes. In ALS, the nerve cells that control the movement of your muscles gradually die, so your muscles progressively weaken and begin to waste away. ALS is inherited in 5 to 10 percent of cases. The other cases appear to occur randomly.
1 The smaller studio uprights usually weigh between 400 and 600 pounds. 2  The monstrous full vertical or large upright piano can weigh as much as half a ton.  A studio piano's center of gravity is also lower than a large upright's, as it is about 4 feet (1.2 m) tall as opposed to a large upright's roughly 5-foot height.
Update: piano is an antique upright, tv is about 450 lbs, the bunk bed is about 400 lbs, fish tank I think about 300 when full. Would be distributed on sides of walls not near windows. Home is 1974 but was remodeled all over 24 months ago.ou can use beams and cement blocks under the mobile home so the weight is transferred to the hard compact soil called virgin ground, under the mobile home. If that soil is week you also have to reinforce that. x Â· 7 years ago.