Two ways on how you can apply prudence and frugality on consuming energy

The occupational safety and health administration requires employers to provide fall protection to construction workers who are working on surfaces with unprotected sides and edges feet or greater above the lower level.

What are the five categories of my plate

Which labels do x and y represent? x: scattered bundles y: multiples of four or five x: scattered bundles y: multiples of three x: bundles in a ring y: multiples of four or five x: bundles in a ring y: multiples of three