By releasing the screws 43, the soil leveling tool 28 can be detached from the cross plate 20, so that {HEAD ~ the soil leveling tool} 28, which is subject to wear and {TAIL ~ tear}, may be easily replaced 
is subject to
By releasing the screws 43 , the soil leveling tool 28 can be detached from the cross plate 20 , so that { HEAD ~ the soil leveling tool } 28 , which is subject to wear and { TAIL ~ tear } , may be easily replaced
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH