We may cover drying figs with straw.  R' Yehudah says: We may even stack them. Vendors of fruit, clothing, and utensils may sell [their wares] in private, for use during the festival. Trappers, cereal makers, and bean pounders may ply their trade in private for festival needs.  R' Yose says: They imposed a stringency upon themselves.

These [people] may cut their hair during [Chol] HaMoed: One who arrived from abroad; [was released] from captivity; left prison; or the excommunicate whose ban was lifted by the sages. Similarly, one who applied to a sage and had been released [from his vow]; the nazir or the metzora who returns from [a state of] contamination to [a state of] purity.

And these [people] may launder [their clothing] during [Chol] HaMoed: One who arrived from abroad; [was released] from captivity; left prison; or the excommunicate whose ban was lifted by sages. Similarly, one who applied to a sage and was released [from his vow].  Hand towels, barbers' cloths, and bath towels [may also be laundered].  Zavim, zavos, menstruants, women who have given birth, and all who return from [a state of] contamination to [a state of] purity, these are permitted [to launder their clothing], but all others are forbidden.

And these [documents] may be written during [Chol] HaMoed: Instruments of betrothal, divorces, receipts, testaments, gifts, prozbulin, evaluation documents, support documents, chalitzah certificates, refusals, selection contracts, court edicts, and government documents.