... light and ductile, impact resistance, corrosion resistance, and anti-skidding; C, Armrest: Using SPCC seamless steel tube, thickness is 1.8 ... impact. G, Mute carts performance test (Japan J I S standard):According to Japanese J I S standard B8720 regulations: 1, Load: rated ... , armrest should no deformation and loose. According to Japanese J I S standard B8723 regulations:4, Trundles: Add 3 times ...