Orient the abacus correctly. A basic abacus consists of two rows of beads arranged in a variable number of columns. Each column in the top row should have one or two beads per row, while each column in the bottom row should have four.When you start, all of the beads should be up in the top row, and down in the bottom row. basic abacus consists of two rows of beads arranged in a variable number of columns. Each column in the top row should have one or two beads per row, while each column in the bottom row should have four.
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Total Disability based on Individual Unemployability (TDIU) How to receive VA compensation at the 100% level even though your combined rating is less than 100%. Individual Unemployability (IU), also known as Total Disability based on Individual Unemployability (TDIU), is a VA disability benefit. The VA pays TDIU to veterans whose combined rating is less than 100%, but whose service-connected disabilities affect their ability to work. To qualify for TDIU, a veteranâs service-connected disability(ies) must prevent from maintaining substantially gainful employment.