Central Register Prefixes for LELA types at RAL
| RLC | Chain Sling | RLO | Overhead Travelling Crane |
| RLE | Eyebolt | RLP | Chain or Pulley Blocks |
| RLF | Fibre or Nylon Sling | RLR | Overhead Runways |
| RLJ | Overhead Lifting Machine | RLS | Shackles |
| RLK | Fork Lift Trucks/Pallets | RLT | Trolley or Trolley Blocks |
| RLL | Passenger/Goods Lifts | RLW | Steel Wire Rope Slings |
| RLM | Mobile Cranes & Plant | RLX | Miscellaneous Rigs, Frames |
Central Register Prefixes for LELA types at DL
| GL | Passenger/Goods Lift | LP | Lifting Plant and Pin |
| LB | Lifting Beam | LR | Fibre or Nylon Sling |
| LBH | Winches/Baskets/Cage | LS | Lifting Shackle |
| LBR | Chain or Pulley Block | LT or E | Eyebolt and Small Tackle (all metric eyebolts are marked blue) |
| LC | Chain Sling | LTF | Fork Lift Truck and Power Workers |
| LG | Lifting Gantry | LTT | Runway Trolley |
| LJ | Lifting Jack | LW | Wire Sling |
| LMC | Pallet, Platform and Stair Truck | LOC | Lifting Jibs and Crane |