wood and hide shields were easy to smash with bronze weapons, so bronze shields were developed. bronze shields also provided better defense against missiles. arrows, especially with metal points, were prone to lodge in wooden shields. these chariots carried a driver and composite bow archer and were the elite of the army.
by patrick ropp. more people are using recycled plastic/wood composite lumber for decks and other various projects. although each manufacturer of recycled plastic lumber has his own blend, we found that most are using very similar ingredients: an equal amount of melted recycled plastic mixed with recycled wood chips or sawdust and then extruded in the form of dimensional lumber.
the composite bow was developed in asia was also known as the oriental or recurved bow. it reached the mediterranean and middle east by the beginning of the second millennium b.c. it was made of layers of wood glued together rather than a single piece. the composite material was then bent outward at each end to increase tension.
glued wood stave or structural composite lumber, 4specs discussion forum: wood door core performance. i have a contractor insisting that stave core wood doors (for a leed fsc credit), have problems with veneer ,【get price】
provide doors with [glued-wood-stave] [or] [structural-composite-lumber] cores instead, stave core definition of stave core in the free online encyclopedia wood core consisting of narrow strips of lumber edge-glued together; usually held in , door come in particleboard, stave core and structural composite lumber.
structural composite lumber (scl), which includes laminated veneer lumber (lvl), parallel strand lumber (psl), laminated strand lumber (lsl) and oriented strand lumber (osl), is a family of engineered wood products created by layering dried and graded wood veneers, strands or flakes with moisture resistant adhesive into blocks of material known
3. stave lumber core. stave lumber cores are assembled using blocks or strips of wood that are from the same species. this creates a durable core that is lighter in weight than particleboard. stave lumber cores are not used as frequently in recent years due to the introduction of structural composite lumber cores which provide similar