For example, {HEAD ~ the cap} 1 may be formed by molding a homopolymer polypropylene with {TAIL ~ a modulus} of elasticity of 1450 MPa  
For example , { HEAD ~ the cap } 1 may be formed by molding a homopolymer polypropylene with { TAIL ~ a modulus } of elasticity of 1450 MPa
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH