# Blog > Updates from the Rebulk team on bulk inventory visibility, industrial AI, and the technology behind automated measurement across yards, sheds, and storage sites. Updates from the Rebulk team on bulk inventory visibility, industrial AI, and the technology behind automated measurement. GuideRail What Is Demurrage? How Rail Demurrage Works and How It Is Calculated Demurrage is a per-day charge for holding a railcar past its free time. This guide defines it, explains free time and constructive placement, walks through how demurrage is calculated per car-day, and covers the operational fixes that reduce it. September 20265 min read Read [Read more](https://rebulk.com/blog/what-is-demurrage) GuideRail What Is Railcar Dwell? How to Measure and Reduce It Railcar dwell is the time a railcar sits idle at a facility instead of moving. This guide defines it, shows how dwell is the clock underneath demurrage, and covers how to measure and reduce it per car. September 20265 min read Read [Read more](https://rebulk.com/blog/what-is-railcar-dwell) GuideTransload Transload vs Cross-Dock: What Is the Difference? Transloading moves freight between modes, most often rail to truck; cross-docking moves freight between trucks with little storage. This guide defines each, puts them side by side, and shows when to use which. September 20265 min read Read [Read more](https://rebulk.com/blog/transload-vs-cross-docking) GuideTransload BOL vs Scale Ticket: What Is the Difference? A bill of lading is a shipment's receipt, contract, and title document; a scale ticket is the weight record for a load. This guide defines each, compares them, and shows why a transload terminal needs both and how they reconcile. September 20265 min read Read [Read more](https://rebulk.com/blog/bol-vs-scale-ticket) GuideTransload Transloading Services: What They Do, What They Cost, and How to Choose a Transload Company Transloading services move freight between modes at a terminal you don't own, billed per ton or per railcar. This guide walks the five kinds of transload company, breaks down what you're actually paying for beyond the handling rate, sets out the three filters that decide the shortlist, and points at a free directory of 2,299 US facilities. August 20269 min read Read [Read more](https://rebulk.com/blog/transloading-services) GuideTransload What Is a Bill of Lading? What a BOL Is, What's On It, and Why Terminal Billing Gets Hard A bill of lading is the carrier's receipt, contract, and title document for a shipment, all at once. This guide defines the BOL, breaks down its types and the fields on it, sorts it out from the waybill, invoice, and packing list, and shows how it sits at the center of the reconciliation that makes bulk-terminal billing hard. July 20268 min read Read [Read more](https://rebulk.com/blog/what-is-a-bill-of-lading) GuideTransload What Is Cross-Docking? How It Works, the Types, and How It Differs From Warehousing and Transloading Cross-docking moves inbound freight straight to outbound with little or no storage in between. This guide defines it, walks the types, compares it with warehousing and transloading, weighs the benefits against the tight timing it demands, and explains why fast-moving freight is the hardest to keep on one record. July 20266 min read Read [Read more](https://rebulk.com/blog/what-is-cross-docking) GuideTransload What Is Transloading? How Bulk Freight Moves Between Modes, and Why the Paperwork Gets Hard Transloading is transferring freight from one mode to another, most often rail to truck, at a terminal built for the handoff. This guide defines it, walks the step-by-step flow, compares it with transshipment and cross-docking, and shows why the inventory and billing behind it, spanning many owners, products, and documents, is the genuinely hard part. July 20266 min read Read [Read more](https://rebulk.com/blog/what-is-transloading) GuideTransload Bulk vs Break Bulk Cargo: The Difference, and How to Track Inventory for Both Bulk cargo moves loose and gets measured by volume or weight; break bulk moves as individual, countable units. This guide defines both, puts them side by side, and shows how a terminal that handles both keeps one inventory record: measured for the bulk piles, counted for the break bulk. July 20265 min read Read [Read more](https://rebulk.com/blog/bulk-vs-break-bulk) GuideRail Demurrage vs. Detention: What's the Difference, Who Charges It, and How to Avoid Both Demurrage is the charge for equipment sitting inside the terminal past free time; detention is the charge for equipment out in your custody. Clear definitions for ocean and rail, a side-by-side comparison table, real rate ranges, and the operational fixes that stop both clocks from billing you. July 20266 min read Read [Read more](https://rebulk.com/blog/demurrage-vs-detention) GuideRail Rail Scale Alternatives: How to Prevent Railcar Overloads Without a Track Scale A track scale is the gold standard for railcar weights, and a six-figure construction project. This guide covers the real alternatives: coupled-in-motion systems, portable wheel scales, routing over someone else's scale, and volumetric load measurement that catches overloads while the car is still loading. Costs, accuracy, certification trade-offs, and when each approach wins. July 20267 min read Read [Read more](https://rebulk.com/blog/rail-scale-alternatives) GuideStockpile Measurement The Best Ways to Measure Stockpile Volume in 2026: Phone, Drone, and LiDAR Compared An honest comparison of every stockpile measurement method: walk-around estimates with the cone formula, phone scanning apps like SR Measure and Rebulk mobile capture, drone photogrammetry with Propeller or Pix4D, professional laser-scanning surveys, and fixed LiDAR sensors. Real accuracy numbers for each, where every method breaks down, and why the real dividing line isn't phone vs. drone. It's one-off snapshots vs. continuous measurement. July 20269 min read Read [Read more](https://rebulk.com/blog/best-way-to-measure-stockpile-volume) Want to see Rebulk in action? Talk to our team about automating bulk inventory at your facility. [Book a Demo](https://rebulk.com/contact) 30 minutes with a founder. No onboarding fee. No billing until go-live. --- Source: https://rebulk.com/blog