Pavements constructed with clay, natural stone or concrete pavers - Code of practice for laying natural stone, precast concrete and clay kerb units algolia-search-ignore Legionnaires’ disease was first recognised

Legionnaires’ disease was first recognised in July 1976 and since then over 50 other species of legionella have been described of which at least 20 have been associated with disease in humans

5 - Taps and drills used in orthopaedic surgeries

It specifies parameters based on values for approach speeds of parts of the human body and provides a methodology to determine the minimum distances to a hazard zone from the detection zone or from actuating devices of safeguards

wet conditions

Pavements constructed with clay, natural stone or concrete pavers - Code of practice for laying natural stone, precast concrete and clay kerb units algolia-search-ignore Legionnaires’ disease was first recognised1 Scope This part of BS 7533 gives recommendations for laying natural stone and precast concrete kerbs, channels, edgings and quadrants conforming to BS 435 and BS 72631, and clay kerbs conforming to BS 66771 intended for use in the construction of carriageways and footways. It also applies to combined drainage and kerb products, and linear drainage units.