NSW-format no stopping, school days no stopping, parking area, local traffic area, warning, road surface and works signs for councils, contractors and private roads.

How to read a Hazchem code (Emergency Action Code): the number for firefighting media, the letter for protection and containment, and the E for evacuation.

Keep clear of moving machinery, watch your hands, machine starts automatically, guards in place, lockout and do not operate signs for factories, workshops and farms.

Automatic gate, boom gate, no tailgating, swipe, intercom, roller door and keep gate closed signs for strata buildings, car parks, estates and warehouses.

Personalised birthday speed signs, birthday legend diamonds, milestone, party and retirement signs made with their name, age or year.

Road work ahead, workers ahead, prepare to stop, roadwork speed, detour, uneven surface and NSW, QLD and WA roadwork signs for civil and traffic control crews.

How danger, warning, caution and notice headers differ on Australian safety signs, what AS 1319 says, and how to choose the right one.

Meeting room, training room, server room, change room, parents room, art room, treatment room and other room and door name signs, grouped by building type.

Entry only, exit only, way out, deliveries this way, truck entrance, reception this way and pedestrian walkway signs for businesses, warehouses and offices.

Authorised personnel only, restricted area, no admittance, staff only, high voltage, work zone, farm and security signs, and how to pick the right wording.

WHS Schedule 13 package store and bulk tank placards, manifest signs, emergency information panels, limited quantity placards and ADG package marks and labels.

What supplementary plates are and which to order: at all times, next metres, vehicles excepted, GVM and height limits, when wet, advisory speed, school and kiss and ride plates.

Radiation warning, X-ray room, radioactive store, gauge, Class 7 transport and laser signs and labels for clinics, labs, mines and testing firms.

Customer, client, staff, tenant, reserved, time limit, delivery, trailer, bicycle and tow away signs for business car parks.