// Run after clear-sky.js; leave paused so the open gate keeps its demonstration charge.
for (let k = 0; k < 5; k++) {
  const bx = BX + 5 + k * 6, by = BY - 5;
  placeMachineAt('silo', 0, bx, by);
  const mm = machines.find(m => m && m.type === 'silo' && m.x === bx * 4 && m.y === by * 4);
  mm.sm = k === 2 ? CUORE : k === 3 ? SNOW : COAL;
  if (k === 1) mm.sm = SAND;
  mm.sn = [0, 2000, 3800, 2800, 1][k];
  mm.open = k === 2;
}
window.CAM = [(BX + 18.5) * 4, (BY - 2) * 4];