... :+-0.5mm MC:12% lvl for construction walking board beam 1.LVL--Laminated Veneer Lumber LVL is ... be widely used in many fields, such as construction template parts, construction beam, carriage board, furniture, flooring, wood keel, ... advantages: non-slip, construction workers more securePlate edge processingCorners chamfering, advantages: convenient construction personnel handling,Switchgear.it ...