Below links are for various Advice and Guidance documents published by the HSE
L117 Rider-operated lift trucks Operator training and safe use
INDG345 Health and safety training - A brief guide
INDG462 Lift-truck training - Advice for employers
INDG457 Use lift trucks safely - Advice for operators
L22 Provision and Use of Work Equipment Regulations 1998
L113 Lifting Operations and Lifting Equipment Regulations 1998
INDG453 A brief guide to RIDDOR
L64 The Health and Safety (Safety Signs and Signals) Regulations 1996
HSG76 Warehousing and storage A guide to health and safety
HSG136 A guide to workplace transport safety