drevo 4 [vynechat] wood 4 [vynechat] wood structure štruktúra dreva 4 [vynechat] vlastnosti dreva 2 [vynechat] wood properties 2 [vynechat] fire retardants 1 [vynechat] flammability 1 [vynechat] horľavosť 1 [vynechat] laboratory diagnostics 1 [vynechat] laboratórna diagnostika 1 [vynechat] scanning 1 [vynechat] skenovanie 1 [vynechat] skladovanie 1 [vynechat] smreky 1 [vynechat] spomalovače horenia 1 [vynechat] spruce 1 [vynechat] storage 1 [vynechat] tepelné vlastnosti materiálov 1 [vynechat] thermal properties 1 [vynechat]