<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48" fill="none"><path d="M4 18.313V7H44V18.313C41.8815 19.068 40.3636 21.1053 40.3636 23.5C40.3636 25.8947 41.8815 27.932 44 28.687V40H4V28.687C6.11853 27.932 7.63636 25.8947 7.63636 23.5C7.63636 21.1053 6.11853 19.068 4 18.313V18.313Z" fill="none" stroke="currentColor" stroke-width="4" stroke-linejoin="round"/><path d="M13 18V29" stroke="currentColor" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M18 18V29" stroke="currentColor" stroke-width="4" stroke-linecap="round" stroke-linejoin="round"/><path d="M18 18H21C22.6569 18 24 19.3431 24 21C24 22.6569 22.6569 24 21 24H18V18Z" fill="none" stroke="currentColor" stroke-width="4" stroke-linejoin="round"/><ellipse cx="32" cy="24" rx="3" ry="5" fill="none" stroke="currentColor" stroke-width="4" stroke-linejoin="round"/></svg>