Tlhokahalo ea litapole tsa chip polokelo e se e le bobebe, tokollo ea la 7 Mmesa Litaba tsa Mmaraka oa Litapole tsa Amerika Leboea (NAPM) se bolelang.
Ha barekisi ba lebelletse hore indasteri e tla hloekisa litapole tsohle tseo ba li halikang, lik'hamphani tse ling li kanna tsa ba le litapole tse lekaneng ho li boloka ho fihlela ka Phuptjane - libeke tse peli ho isa ho tse tharo tse telele ho feta tloaelo. Ho boetse ho na le litlaleho tsa mathata a ho fumana literaka ho tsamaisa litapole, ekaba li tsoa polokelong kapa phepelong e ncha ea lijalo e tsoang Florida, tlaleho e supa.
Libakeng tse holang ka bochabela ho Lithaba tsa Rocky ho lema ho se ho qalile - beke pejana ho tloaelo. Sehlahisoa sa boroa-bophirima ho Michigan se jetsoe ka liperesente tsa 25, ho bolela tokollo. NAPM e nahana hore ho lema pejana ho ka baka hore litapole tsa litapole li be ngata, ho qala halofo ea ho qetela ea Phuptjane.
U lokela ho monametsi j a ho ngolang ka tlhaloso.