Mandatory Sign

M21 — Keep locked when not in use | Mandatory Sign | Seasonlite

M22 — Fire door keep shut | Mandatory Sign | Seasonlite

M23 — To be kept unlocked during working hours | Mandatory Sign | Seasonlite

M24 — Automatic fire door keep clear | Mandatory Sign | Seasonlite

M25 — Staircase must be kept clear at all times | Mandatory Sign | Seasonlite

M26 — Fire notice - this area must be kept clear at all times | Mandatory Sign | Seasonlite

M27 — Fire escape keep clear | Mandatory Sign | Seasonlite

M28 — Gangway keep clear | Mandatory Sign | Seasonlite

M29 — Fire exit keep clear | Mandatory Sign | Seasonlite

M30 — Fire door keep shut | Mandatory Sign | Seasonlite

M31 — Keep locked when not in use | Mandatory Sign | Seasonlite

M32 — Keep clear when door is closing | Mandatory Sign | Seasonlite

M33 — This hatch must be kept closed at sea | Mandatory Sign | Seasonlite

M34 — This door must be kept closed at sea | Mandatory Sign | Seasonlite

M35 — Watertight door keep shut | Mandatory Sign | Seasonlite

M36 — Wear helmet | Mandatory Sign | Seasonlite

M37 — Head protection must be worn | Mandatory Sign | Seasonlite

M38 — This is a safety helmet area | Mandatory Sign | Seasonlite

M39 — Wear goggles | Mandatory Sign | Seasonlite

M40 — Eye protection must be worn | Mandatory Sign | Seasonlite