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BV: Slope

MH: Mini Hoof

CH: Chisel

QD: Quadrilateral

CN: Cone

SC: slotted cylinder

CP: Hollow cup

SH: Shield

TN: Tunnel

SL: Slot

HF: Hoof

WV: Wave

HK: Hook

FB: Flat Blade

HP: Hot Plate

VC: V-shaped groove chisel shape

HS: Hot melt column

PC: Plug connector

LG: Long Slot

SK: Socket