請PJiang,８６３２１幫忙回答兩個H１－B VISA問題

請PJiang,８６３２１幫忙回答兩個H１－B VISA問題.My question is
(1)Can I work for two companies at the same time with individual H1-B Visa sponsored by these two companies for a short of time(two months).

(2) Is there any illegal issue?

Thanks in advance